preventern.

Brit.

/prᵻˈvɛntə/, U.S.

/priˈvɛn(t)ər/,

/prəˈvɛn(t)ər/

Forms: see prevent v. and -er suffix¹; also 1500s preuentor, 1600s– preventor (now nonstandard).

Origin: Formed within English by derivation. Etymons: prevent v., -er suffix¹.

Etymology: < prevent v. + -er suffix¹. With sense 2 compare post-classical Latin praeventor light cavalryman who charges in front of the main body (4th cent.), forerunner (c1345 in a British source), Italian preventore (1598 in Florio: see quot. 1598 at sense 2b).With the forms in -or compare -or suffix.

1. A person who or thing which hinders, restrains, or keeps something from occurring or being done.

ΘΚΠ

the world > action or operation > difficulty > hindrance > hindering completely or preventing > [noun] > that which > one who

forbidderc1449

preventera1578

stayer1597

gagger1624

impeacher1641

ear guard1647

the world > action or operation > difficulty > hindrance > hindering completely or preventing > [noun] > that which > one who > by acting before another

preventera1578

a1578 R. Lindsay Hist. & Cron. Scotl. (1899) I. 133/27 Mair is ane princes ignorance and wickitnes preventaris of the common weill nor febilness of body.

1587 R. Greene Penelopes Web sig. B Consideration, the preuenter of had I wist, tyed him..to the performing of these forenamed premisses.

1644 R. Williams Blovdy Tenent lxv. 110 (note) A Nationall enforced Religion or a Civill War for Religion the two great preventers of soule conversion and life.

1673 Raillerie a la Mode Consider'd (end matter) The Tooth-ach it cureth, and is a great preventer thereof.

1725 R. Bradley Chomel's Dictionaire Œconomique at Wind The fierce bitter Blasts in the Spring destroying whole Fields; of which nothing is a preventer but Inclosures.

1783 A. M. Mackenzie Burton-wood I. 52 Short is thy reign, thou disturber or rather preventer of my happiness.

1825 Times 17 Aug. 3/6 She had immediate recourse to a person..celebrated as a preventer of canine madness.

1884 Internat. Health Exhib. Official Catal. 46/1 The latest improvements of Water-waste Preventers.

1920 Chambers's Jrnl. Mar. 208/1 A single set of hydrofoils under the bow, known as a preventer, helps to lift the boat when getting up speed, while checking any tendency to nose-dive.

1993 A. Toffler & H. Toffler War & Anti-war ii. x. 84 War planners and war preventers alike face unprecedented complexity and uncertainty.

†2.

a. Rhetoric. A figure in which an opponent's arguments are anticipated and answered in advance; = procatalepsis n. Obsolete. rare.

ΘΚΠ

society > leisure > the arts > literature > style of language or writing > figure of speech > figures of structure or thought > [noun] > anticipation > of opponent's objections

preoccupation1552

prevention1571

procatalepsis1577

prolepsis1580

presumptuous1589

preventer1589

propounder1589

1589 G. Puttenham Arte Eng. Poesie iii. xix. 194 I will also call him the figure of presupposall or the preuenter, for by reason we suppose before what may be said, or perchaunce would be said by our aduersary or any other, we do preuent them of their aduantage.

b. A person who precedes; a predecessor; an anticipator. Obsolete. rare.

ΘΚΠ

the world > time > relative time > the past > antecedence or being earlier > [noun] > one who goes first or predecessor

ancestorc1300

foreganger1340

before-goerc1384

antecessora1387

predecessora1387

oldersc1450

precessor1454

forn-goer1483

before-gangerc1520

Adam1553

foregoer1556

preventer1598

forerunnera1616

decessor1647

first-comer1690

precursor1792

1598 J. Florio Worlde of Wordes Preuentore, a preuentor, an ouertaker, an anticipator.

1599 Master Broughtons Lett. Answered ii. 8 With Simon Magus your Preuentor,..you are not contented to be accompted..a great Diuine.

a1626 F. Bacon Certain Misc. Wks. (1629) 55 The Arch-duke was the Assailant, and the Preuenter, and had the fruit of his Diligence and Celerity.

3. Nautical. More fully preventer rope. A rope used (esp. temporarily) to strengthen or duplicate a stay or other piece of rigging in order to prevent damage in the event of its breaking; (hence) any supplementary or strengthening part added to rigging.

ΘΚΠ

society > travel > travel by water > vessel, ship, or boat > equipment of vessel > masts, rigging, or sails > rigging > [noun] > running rigging > preventer or kicking-strap

preventera1625

jumper1856

kicking-strap1861

a1625 H. Mainwaring Nomenclator Navalis (Harl. 2301) at Roape A preuenter-roape (which is a little rope seased crosse ouer the Ties close at the Ramhead that if one parte of the Ties should breake the other should not run through the Ram~head to endanger the Yard).

1711 W. Sutherland Ship-builders Assistant 162 Preventers, Ropes that have Wale Knots at each End, chiefly used in Sea-fights. For when Rigging is in part shot, such Ropes are apply'd to prevent the damaged Ropes being quite broke off.

1738 E. Chambers Cycl. (ed. 2) Preventer-rope, to save the yard in case any part of the tyes should be broke.

1783 F. Hervey et al. Naval Hist. Great Brit. (new ed.) IV. iii. 354 The Kent forged a-head, her braces, preventers, and hoppers, being all shot away.

1840 R. H. Dana Two Years before Mast xxxiii. 414 We..ran out the boom and lashed it fast, and sent down the lower halyards, as a preventer.

1859 F. A. Griffiths Artillerist's Man. (1862) 115 Two luff tackles, one preventer rope.

1868 Morning Star 6 Jan. From the topmost head there was a strengthening tackle, and from the lowermost head to the yard there were preventers.

1951 P. Drucker in North & Central Nootkan Tribes 27 The end was..tied to the forward thwart on the starboard side, with a short guide or ‘preventer’ over the port side at the stern.

1992 W. F. Buckley WindFall xv. 225 Ever since, I've been rigid on the matter of fixing a preventer in place to hold back the boom.

1999 Herald (Glasgow) (Nexis) 21 Aug. 9 A weld anchoring a turning block gave way, causing the boom preventer rope to whip across the deck.

4. Oil Industry. In full blowout preventer. A heavy valve or assembly of valves fitted at the top of an oil well during drilling and closed in the event of a blowout.

ΚΠ

1916 A. B. Thompson Oil-field Devel. & Petroleum Mining vii. 367 An apparatus which is largely employed with rotaries is what is called a ‘Blow-out Preventer’.

1934 Proc. World Petroleum Congr. 1933 I. 370/2 The main feature is a heavy rubber sleeve packer held in a container which is free to revolve in ball bearings inside the body of the preventer.

1976 Offshore Engineer July 6/4 Shell has recovered, from 130m of water, the blow-out preventer (bop) stack which fell to the seabed while being lowered into position from the rig.

1986 New Yorker 27 Jan. 69/2 The preventer, a huge contraption weighing seven thousand pounds, was in fact in place, but it had been put in upside down.

Compounds

C1. Nautical. Designating a specified type of rope serving as a preventer (sense 3).

preventer backstay n.

ΚΠ

1832 F. Marryat Newton Forster I. viii. 104 The boatswain proposed a preventer backstay.

1912 W. I. Downie Reminisc. Blackwall Midshipman ii. 22 I expect preventer backstays were practically a permanent part of her equipment during the trip.

1939 H. Hughes Through Mighty Seas x. 264 For the first time I saw preventer back-stays being rigged from the main top-gallant mast.

1994 P. O'Brian Commodore (1996) x. 269 Preventer backstays, braces, shrouds and stays to enable the ship to bear the press of foul-weather canvas.

preventer brace n.

ΚΠ

1746 Copies Minutes & Proc. Tryals Court Martial Chatham 120/2 Had you Preventer-braces reeved?

1867 G. E. Clark Seven Years of Sailor's Life xx. 203 We had the barque under a close-reefed main-topsail,..with preventer braces on the yard.

1926 T. M. Hemy Deep Sea Days ii. 64 It was ‘all hands wear ship’; then up aloft and change the preventer braces from one side to another.

1974 Jrnl. Rom. Stud. 63 265 The next item in the list is a second opisthypera of only 4 cubits, which makes serious difficulties for his translation of opisthypera as ‘preventer brace’.

preventer gasket n.

ΚΠ

1888 W. B. Churchward ‘Blackbirding’ in S. Pacific 138 We then closely furled the sails, putting preventer gaskets round them all.

1907 M. Roberts Flying Cloud xxxii. 304 Budd went aloft on the cro' jack-yard and passed a couple of preventer gaskets.

preventer guy n.

ΚΠ

1840 R. H. Dana Two Years before Mast xxxiii. 417 It [sc. a sail] was soon ready, the boom topped up, preventer guys rove, and the idlers called up to man the halyards.

1923 Man. Seamanship (Admiralty) II. xi. 188 In the recent America Cup Races, both craft tried taking a preventer guy out to the weather crosstrees if the wind was light enough.

1990 G. Day Blue Water Sailing in www.boats.com (O.E.D. Archive) The preventer guy, which on cruising boats can be left rigged at all times, runs from the aft end of the boom through a block or fitting on the foredeck.

preventer sheet n.

ΚΠ

1784 J. H. Moore Pract. Navigator (ed. 8) 230 When the Sail is full, and the wind blows hard, get a Tackle on the Weather-leach to secure the Tack, and Preventer-sheets; but in small Ships they get the Lee-tacks for Preventer-sheets.

1867 G. E. Clark Seven Years of Sailor's Life xix. 191 The mainsail was furled, and preventer sheets put on the fore boom.

1934 ‘Sinbad’ Red Saunders xxv. 210 They..put a preventer sheet on the foresail, and double-lashed the movable deck gear.

1997 H. Payson Advice to Sealorn x. 56 We finally rigged a kind of preventer/sheet from the top of the mizzen to the end of the gaff, and gained some control.]

preventer-shroud n.

ΚΠ

1724 ‘C. Johnson’ Gen. Hist. Pyrates xiii. 287 They took necessary Measures to secure the Mast, by making Preventor-Shrowds.

1741 E. Legge Let. 4 July in G. Williams Doc. relating to Anson's Voy. (1967) 90 All our shrouds, swifters and backstays broke except one pair of preventer shrouds.

1866 tr. V. Hugo Toilers of Sea ii. i. ix. 91/1 Preventer-shrouds, down-hauls, snatch-blocks,..if they were not completely damaged by the storm, occupied different compartments.

1961 C. Gill Merchants & Mariners 18th Cent. vi. 69 If it had not been for the preventer shrouds put up when the ship was in Table Bay..the main-mast would have been lost.

preventer-stay n.

ΚΠ

1743 J. Philips Jrnl. Exped. Anson 29 Sept. (1744) 197 We cut up the old Messenger for a main preventer Stay.

1841 R. H. Dana Seaman's Man. 125 Spring-stay, a preventer-stay, to assist the regular one.

1996 P. O'Brian Yellow Admiral v. 135 But I don't have to tell you about preventer-stays, sir.

† preventer stopper n. Obsolete

ΚΠ

1730 C. Small in Jrnl. Ship Lyell 24 Mar. (BL: IOR/L/MAR/B/646C) Put in new Chain Plates, got preventer Stopper on the stranded Shroud, and set the Shroud up again.

1796 W. Nichelson Treat. Pract. Navigation & Seamanship 146 It has also been customary to put a good preventer stopper on the weather clew of the sail, to succour the main tack, to prevent any accidents happening to the sail.

1852 W. N. Brady Kedge Anchor 204 The anchors ought to be secured with preventer stoppers.

C2. Chiefly Nautical. Designating various other secondary or additional parts serving to strengthen or take the place of a main part.

preventer bolt n.

ΚΠ

1815 W. Burney Falconer's New Universal Dict. Marine (rev. ed.) Preventer-Bolts, are bolts driven in the lower end of the preventer-plates, to assist the strain of the chain-bolts.

1891 Lloyd's Reg. Rules & Reg. (1996) §46 xvi If..the whole of the inside bolt fastenings, including fastenings of deck, frame bolts, and bolts in iron straps on timbers, and also the chain and preventer bolts, be of properly galvanized iron.

1979 Oil & Gas Jrnl. (Nexis) 24 Dec. 58 An analysis of the screw jack formula applied to preventer bolts shows that a major contributing factor to the torque required to tighten the bolt properly is friction incurred.

preventer plate n.

ΚΠ

1815 W. Burney Falconer's New Universal Dict. Marine (rev. ed.) Preventer-plate, a broad plate of iron, fixed below the toe-link of the chains to support them against the efforts of the masts and shrouds, having a chain-bolt driven through its upper end, and a preventer-bolt through the lower.

1874 S. J. P. Thearle Naval Archit. (new ed.) I. 60 The lower bar, which is fitted to give support to the bolt in the lower end of the upper bar, is known as a preventer plate.

1996 Hispanic Amer. Hist. Rev. 76 569 Shipping hardware is shown..in drawings that make clear the placement and function of such items as preventer plates and deadeyes.

† preventer post n. Obsolete

ΚΠ

1791 J. H. Moore Pract. Navigator (ed. 9) 287 Lash the upper Part of the Preventer-post to the upper Part of the Ship's Stern-post, then hook Tackles at or near the Main-chains.

1841 R. H. Dana Seaman's Man. 77 Lash the upper part of the preventer post to the upper part of the ship's stern-post.

† preventer stern-post n. Obsolete

ΚΠ

1791 J. H. Moore Pract. Navigator (ed. 9) 287 Through the Preventer Stern-post reeve Guys, and at the Fore-part of them fix Tackles, and then put the Machine over board.

1830 N. S. Wheaton Jrnl. 515 To construct one..with a preventer stern-post, would have required the labour of a fortnight.

1879 R. H. Dana Seaman's Friend (ed. 14) (1997) 83 Bowse taut on the guys to confine it to the lower part of the preventer stern-post.

This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).

单词	preventer
释义	preventern. Brit. /prᵻˈvɛntə/, U.S. /priˈvɛn(t)ər/, /prəˈvɛn(t)ər/ Forms: see prevent v. and -er suffix¹; also 1500s preuentor, 1600s– preventor (now nonstandard). Origin: Formed within English by derivation. Etymons: prevent v., -er suffix¹. Etymology: < prevent v. + -er suffix¹. With sense 2 compare post-classical Latin praeventor light cavalryman who charges in front of the main body (4th cent.), forerunner (c1345 in a British source), Italian preventore (1598 in Florio: see quot. 1598 at sense 2b).With the forms in -or compare -or suffix. 1. A person who or thing which hinders, restrains, or keeps something from occurring or being done. ΘΚΠ the world > action or operation > difficulty > hindrance > hindering completely or preventing > [noun] > that which > one who forbidderc1449 preventera1578 stayer1597 gagger1624 impeacher1641 ear guard1647 the world > action or operation > difficulty > hindrance > hindering completely or preventing > [noun] > that which > one who > by acting before another preventera1578 a1578 R. Lindsay Hist. & Cron. Scotl. (1899) I. 133/27 Mair is ane princes ignorance and wickitnes preventaris of the common weill nor febilness of body. 1587 R. Greene Penelopes Web sig. B Consideration, the preuenter of had I wist, tyed him..to the performing of these forenamed premisses. 1644 R. Williams Blovdy Tenent lxv. 110 (note) A Nationall enforced Religion or a Civill War for Religion the two great preventers of soule conversion and life. 1673 Raillerie a la Mode Consider'd (end matter) The Tooth-ach it cureth, and is a great preventer thereof. 1725 R. Bradley Chomel's Dictionaire Œconomique at Wind The fierce bitter Blasts in the Spring destroying whole Fields; of which nothing is a preventer but Inclosures. 1783 A. M. Mackenzie Burton-wood I. 52 Short is thy reign, thou disturber or rather preventer of my happiness. 1825 Times 17 Aug. 3/6 She had immediate recourse to a person..celebrated as a preventer of canine madness. 1884 Internat. Health Exhib. Official Catal. 46/1 The latest improvements of Water-waste Preventers. 1920 Chambers's Jrnl. Mar. 208/1 A single set of hydrofoils under the bow, known as a preventer, helps to lift the boat when getting up speed, while checking any tendency to nose-dive. 1993 A. Toffler & H. Toffler War & Anti-war ii. x. 84 War planners and war preventers alike face unprecedented complexity and uncertainty. †2. a. Rhetoric. A figure in which an opponent's arguments are anticipated and answered in advance; = procatalepsis n. Obsolete. rare. ΘΚΠ society > leisure > the arts > literature > style of language or writing > figure of speech > figures of structure or thought > [noun] > anticipation > of opponent's objections preoccupation1552 prevention1571 procatalepsis1577 prolepsis1580 presumptuous1589 preventer1589 propounder1589 1589 G. Puttenham Arte Eng. Poesie iii. xix. 194 I will also call him the figure of presupposall or the preuenter, for by reason we suppose before what may be said, or perchaunce would be said by our aduersary or any other, we do preuent them of their aduantage. b. A person who precedes; a predecessor; an anticipator. Obsolete. rare. ΘΚΠ the world > time > relative time > the past > antecedence or being earlier > [noun] > one who goes first or predecessor ancestorc1300 foreganger1340 before-goerc1384 antecessora1387 predecessora1387 oldersc1450 precessor1454 forn-goer1483 before-gangerc1520 Adam1553 foregoer1556 preventer1598 forerunnera1616 decessor1647 first-comer1690 precursor1792 1598 J. Florio Worlde of Wordes Preuentore, a preuentor, an ouertaker, an anticipator. 1599 Master Broughtons Lett. Answered ii. 8 With Simon Magus your Preuentor,..you are not contented to be accompted..a great Diuine. a1626 F. Bacon Certain Misc. Wks. (1629) 55 The Arch-duke was the Assailant, and the Preuenter, and had the fruit of his Diligence and Celerity. 3. Nautical. More fully preventer rope. A rope used (esp. temporarily) to strengthen or duplicate a stay or other piece of rigging in order to prevent damage in the event of its breaking; (hence) any supplementary or strengthening part added to rigging. ΘΚΠ society > travel > travel by water > vessel, ship, or boat > equipment of vessel > masts, rigging, or sails > rigging > [noun] > running rigging > preventer or kicking-strap preventera1625 jumper1856 kicking-strap1861 a1625 H. Mainwaring Nomenclator Navalis (Harl. 2301) at Roape A preuenter-roape (which is a little rope seased crosse ouer the Ties close at the Ramhead that if one parte of the Ties should breake the other should not run through the Ram~head to endanger the Yard). 1711 W. Sutherland Ship-builders Assistant 162 Preventers, Ropes that have Wale Knots at each End, chiefly used in Sea-fights. For when Rigging is in part shot, such Ropes are apply'd to prevent the damaged Ropes being quite broke off. 1738 E. Chambers Cycl. (ed. 2) Preventer-rope, to save the yard in case any part of the tyes should be broke. 1783 F. Hervey et al. Naval Hist. Great Brit. (new ed.) IV. iii. 354 The Kent forged a-head, her braces, preventers, and hoppers, being all shot away. 1840 R. H. Dana Two Years before Mast xxxiii. 414 We..ran out the boom and lashed it fast, and sent down the lower halyards, as a preventer. 1859 F. A. Griffiths Artillerist's Man. (1862) 115 Two luff tackles, one preventer rope. 1868 Morning Star 6 Jan. From the topmost head there was a strengthening tackle, and from the lowermost head to the yard there were preventers. 1951 P. Drucker in North & Central Nootkan Tribes 27 The end was..tied to the forward thwart on the starboard side, with a short guide or ‘preventer’ over the port side at the stern. 1992 W. F. Buckley WindFall xv. 225 Ever since, I've been rigid on the matter of fixing a preventer in place to hold back the boom. 1999 Herald (Glasgow) (Nexis) 21 Aug. 9 A weld anchoring a turning block gave way, causing the boom preventer rope to whip across the deck. 4. Oil Industry. In full blowout preventer. A heavy valve or assembly of valves fitted at the top of an oil well during drilling and closed in the event of a blowout. ΚΠ 1916 A. B. Thompson Oil-field Devel. & Petroleum Mining vii. 367 An apparatus which is largely employed with rotaries is what is called a ‘Blow-out Preventer’. 1934 Proc. World Petroleum Congr. 1933 I. 370/2 The main feature is a heavy rubber sleeve packer held in a container which is free to revolve in ball bearings inside the body of the preventer. 1976 Offshore Engineer July 6/4 Shell has recovered, from 130m of water, the blow-out preventer (bop) stack which fell to the seabed while being lowered into position from the rig. 1986 New Yorker 27 Jan. 69/2 The preventer, a huge contraption weighing seven thousand pounds, was in fact in place, but it had been put in upside down. Compounds C1. Nautical. Designating a specified type of rope serving as a preventer (sense 3). preventer backstay n. ΚΠ 1832 F. Marryat Newton Forster I. viii. 104 The boatswain proposed a preventer backstay. 1912 W. I. Downie Reminisc. Blackwall Midshipman ii. 22 I expect preventer backstays were practically a permanent part of her equipment during the trip. 1939 H. Hughes Through Mighty Seas x. 264 For the first time I saw preventer back-stays being rigged from the main top-gallant mast. 1994 P. O'Brian Commodore (1996) x. 269 Preventer backstays, braces, shrouds and stays to enable the ship to bear the press of foul-weather canvas. preventer brace n. ΚΠ 1746 Copies Minutes & Proc. Tryals Court Martial Chatham 120/2 Had you Preventer-braces reeved? 1867 G. E. Clark Seven Years of Sailor's Life xx. 203 We had the barque under a close-reefed main-topsail,..with preventer braces on the yard. 1926 T. M. Hemy Deep Sea Days ii. 64 It was ‘all hands wear ship’; then up aloft and change the preventer braces from one side to another. 1974 Jrnl. Rom. Stud. 63 265 The next item in the list is a second opisthypera of only 4 cubits, which makes serious difficulties for his translation of opisthypera as ‘preventer brace’. preventer gasket n. ΚΠ 1888 W. B. Churchward ‘Blackbirding’ in S. Pacific 138 We then closely furled the sails, putting preventer gaskets round them all. 1907 M. Roberts Flying Cloud xxxii. 304 Budd went aloft on the cro' jack-yard and passed a couple of preventer gaskets. preventer guy n. ΚΠ 1840 R. H. Dana Two Years before Mast xxxiii. 417 It [sc. a sail] was soon ready, the boom topped up, preventer guys rove, and the idlers called up to man the halyards. 1923 Man. Seamanship (Admiralty) II. xi. 188 In the recent America Cup Races, both craft tried taking a preventer guy out to the weather crosstrees if the wind was light enough. 1990 G. Day Blue Water Sailing in www.boats.com (O.E.D. Archive) The preventer guy, which on cruising boats can be left rigged at all times, runs from the aft end of the boom through a block or fitting on the foredeck. preventer sheet n. ΚΠ 1784 J. H. Moore Pract. Navigator (ed. 8) 230 When the Sail is full, and the wind blows hard, get a Tackle on the Weather-leach to secure the Tack, and Preventer-sheets; but in small Ships they get the Lee-tacks for Preventer-sheets. 1867 G. E. Clark Seven Years of Sailor's Life xix. 191 The mainsail was furled, and preventer sheets put on the fore boom. 1934 ‘Sinbad’ Red Saunders xxv. 210 They..put a preventer sheet on the foresail, and double-lashed the movable deck gear. 1997 H. Payson Advice to Sealorn x. 56 We finally rigged a kind of preventer/sheet from the top of the mizzen to the end of the gaff, and gained some control.] preventer-shroud n. ΚΠ 1724 ‘C. Johnson’ Gen. Hist. Pyrates xiii. 287 They took necessary Measures to secure the Mast, by making Preventor-Shrowds. 1741 E. Legge Let. 4 July in G. Williams Doc. relating to Anson's Voy. (1967) 90 All our shrouds, swifters and backstays broke except one pair of preventer shrouds. 1866 tr. V. Hugo Toilers of Sea ii. i. ix. 91/1 Preventer-shrouds, down-hauls, snatch-blocks,..if they were not completely damaged by the storm, occupied different compartments. 1961 C. Gill Merchants & Mariners 18th Cent. vi. 69 If it had not been for the preventer shrouds put up when the ship was in Table Bay..the main-mast would have been lost. preventer-stay n. ΚΠ 1743 J. Philips Jrnl. Exped. Anson 29 Sept. (1744) 197 We cut up the old Messenger for a main preventer Stay. 1841 R. H. Dana Seaman's Man. 125 Spring-stay, a preventer-stay, to assist the regular one. 1996 P. O'Brian Yellow Admiral v. 135 But I don't have to tell you about preventer-stays, sir. † preventer stopper n. Obsolete ΚΠ 1730 C. Small in Jrnl. Ship Lyell 24 Mar. (BL: IOR/L/MAR/B/646C) Put in new Chain Plates, got preventer Stopper on the stranded Shroud, and set the Shroud up again. 1796 W. Nichelson Treat. Pract. Navigation & Seamanship 146 It has also been customary to put a good preventer stopper on the weather clew of the sail, to succour the main tack, to prevent any accidents happening to the sail. 1852 W. N. Brady Kedge Anchor 204 The anchors ought to be secured with preventer stoppers. C2. Chiefly Nautical. Designating various other secondary or additional parts serving to strengthen or take the place of a main part. preventer bolt n. ΚΠ 1815 W. Burney Falconer's New Universal Dict. Marine (rev. ed.) Preventer-Bolts, are bolts driven in the lower end of the preventer-plates, to assist the strain of the chain-bolts. 1891 Lloyd's Reg. Rules & Reg. (1996) §46 xvi If..the whole of the inside bolt fastenings, including fastenings of deck, frame bolts, and bolts in iron straps on timbers, and also the chain and preventer bolts, be of properly galvanized iron. 1979 Oil & Gas Jrnl. (Nexis) 24 Dec. 58 An analysis of the screw jack formula applied to preventer bolts shows that a major contributing factor to the torque required to tighten the bolt properly is friction incurred. preventer plate n. ΚΠ 1815 W. Burney Falconer's New Universal Dict. Marine (rev. ed.) Preventer-plate, a broad plate of iron, fixed below the toe-link of the chains to support them against the efforts of the masts and shrouds, having a chain-bolt driven through its upper end, and a preventer-bolt through the lower. 1874 S. J. P. Thearle Naval Archit. (new ed.) I. 60 The lower bar, which is fitted to give support to the bolt in the lower end of the upper bar, is known as a preventer plate. 1996 Hispanic Amer. Hist. Rev. 76 569 Shipping hardware is shown..in drawings that make clear the placement and function of such items as preventer plates and deadeyes. † preventer post n. Obsolete ΚΠ 1791 J. H. Moore Pract. Navigator (ed. 9) 287 Lash the upper Part of the Preventer-post to the upper Part of the Ship's Stern-post, then hook Tackles at or near the Main-chains. 1841 R. H. Dana Seaman's Man. 77 Lash the upper part of the preventer post to the upper part of the ship's stern-post. † preventer stern-post n. Obsolete ΚΠ 1791 J. H. Moore Pract. Navigator (ed. 9) 287 Through the Preventer Stern-post reeve Guys, and at the Fore-part of them fix Tackles, and then put the Machine over board. 1830 N. S. Wheaton Jrnl. 515 To construct one..with a preventer stern-post, would have required the labour of a fortnight. 1879 R. H. Dana Seaman's Friend (ed. 14) (1997) 83 Bowse taut on the guys to confine it to the lower part of the preventer stern-post. This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022). < n.a1578
随便看	synchronize synchronized synchronized gear-changing synchronized gear-shifting synchronized gearchanging synchronized gearshifting synchronized swimmer synchronized swimming synchronizer synchronizers synchronizes synchronizing synchronograph synchronological synchronology synchronous synchronous curve synchronouser synchronousest synchronouslier synchronousliest synchronously synchronousness synchronousnesses synchronousser