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单词 breast beam
释义

breast beamn.

Brit. /ˈbrɛs(t) biːm/, U.S. /ˈbrɛs(t) ˌbim/
Origin: Formed within English, by compounding. Etymons: breast n., beam n.1
Etymology: < breast n. + beam n.1
1. Weaving. The horizontal wooden beam at the front of a loom, around which the woven cloth passes as it is wound on the cloth beam.
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the world > textiles and clothing > textiles > textile manufacture > manufacture textile fabric or that which consists of > manufacture of textile fabric > [noun] > weaving > loom > beam > for cloth
web-beamOE
breast beam1688
breast roll1763
1688 R. Holme Acad. Armory iii. iii. 107/2 The Breast Beam, is that as the Workman sets his Breast unto when he is Weaving.
1790 A. Wilson Poems 53 While a bad Web was his theme, The Breast-beam supported his head.
1875 R. Hunt & F. W. Rudler Ure's Dict. Arts (ed. 7) III. 1114 The breast beam..is supported at its end upon brackets.
1980 Craft Techniques in Occup. Therapy (U.S. Dept. Army) 7-17/2 The harness frames should hang at the level which permits the warp to pass from the back beam to the breast beam.
2004 Age (Melbourne) (Nexis) 8 Sept. a3 9 The warp comprises the threads tied to a fixed beam that extend to the breast beam of back-strap looms.
2. Shipbuilding. One of the beams forming part of the front of the quarterdeck and roundhouse, and the after part of the forecastle. Now rare and historical.
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society > travel > travel by water > vessel, ship, or boat > parts of vessels > body of vessel > [noun] > timbers of hull > deck or hold beams
transom1545
beam1627
wing-transom1711
stool1797
hold-beam1801
breast beam1805
skid beam1846
beak-head-beam1850
cat-beam1850
deck-beam1858
main-transom1867
spale1867
1805 Shipwright's Vade-mecum 315 (table) Beams..sided..moulded... Breast beam..sided.
1874 Lloyd's Reg. Brit. & Foreign Shipping, 1874–5 102 The breast beams are not to be less in size than the angle iron for stringers prescribed in Table H.
1986 D. H. Roberts tr. J. Boudriot Seventy-four Gun Ship II. ix. 69 These stanchions stand slightly aft of the breast beam of the forecastle and are half-lapped to it.
3. Architecture. A long horizontal load-bearing beam which forms part of the wall of a building, esp. one which supports the wall over an opening such as a fireplace; cf. bressumer n., breastplate n. 3c. Also: (in a windmill) a horizontal load-bearing beam which supports the weight of the windshaft.
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society > inhabiting and dwelling > inhabited place > a building > parts of building > framework of building > [noun]
frame1440
mould1570
casea1676
needlework1686
framing1703
shell1705
casework1767
breast beam1828
balloon frame1844
fabric1849
balloon framing1855
armature1878
steel frame1898
society > inhabiting and dwelling > inhabited place > a building > parts of building > wall of building > [noun] > other parts of wall
quoin1532
ground-table1640
breast1655
patand1656
raddling1673
breast1674
offset1721
breastwork1779
base1790
breast beam1828
dry area1833
chimney-breast1842
wall-head1898
1828 London Mag. Dec. 672 Two pines..were let into holes in the floor; another was laid across for a breast beam.
1853 Sheffield Independent 17 Sept. 4/3 (advt.) Oak and other Floor and Breast Beams, with a large quantity of Bearing Timber.
1954 R. Wailes Eng. Windmill v. 58 The main transverse timber in front, the breast beam or ‘rode balk’ as it is called in Lincolnshire, carrying the main weight of the windshaft and sails.
2014 Western Mail (Nexis) 21 June 3 The reception hall offers access to the drawing room with Inglenook fireplace and fireplace bressumer—a horizontal breast beam—with sunk chamfer.
4. Railways. A transverse beam forming part of the front of a locomotive. Now rare.
ΚΠ
1861 Railway Times (Boston) 11 May 185/3 A double rod runs from each eccentric, over and under the leading axle, and under the smoke-box, between the cylinders, to the space between the smoke-box, and the breast beam.
1954 Bridgeport (Connecticut) Telegram 7 Dec. 24/7 Morin saw the approaching train, and jumped clear of the tracks, but Cammarano was struck by the breast beam at the right front of the engine.
This entry has been updated (OED Third Edition, December 2020; most recently modified version published online March 2022).
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n.1688
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