screw wormn.

Brit.

/ˈskruː wəːm/, U.S.

/ˈskru ˌwərm/

Origin: Formed within English, by compounding. Etymons: screw n.¹, worm n.

Etymology: < screw n.¹ + worm n. With sense 1 compare worm n. 16.

1. A spiral-shaped operative part; a tool or device which includes such a part. Chiefly attributive in later use.

ΘΚΠ

society > occupation and work > equipment > machine > parts of machines > [noun] > of specific shape

cheek1487

ward1599

screw worm1648

ball1675

swan-neck1686

cone1832

goose-neck1843

spider1860

concave1874

1648 in C. S. Romanes Sel. Rec. Regality of Melrose (1914) I. 121 Ane double hagbut indentit with bain haveing ane rair snap work with scroule worme [printed worne] and ram stick.

1767 Philos. Trans. 1766 (Royal Soc.) 56 274 I passed a collar fastened to the neck of the patient, through the ring..in the upper screw worm, and the bandage which supported the dressings, through the ring..in the lower screw worm.

1852 tr. J. J. Seidel Organ & its Constr. iii. iii. 63 There is upon every key a screw-worm [Ger. Schraubengwinde (Väterchen)] of brass wire.

1878 Sydney Mail 13 Apr. 471/2 At the end of the cylinder..a toothed rack is fixed, which is worked by a screw worm turned by a small hand-wheel.

1906 Maitland (New S. Wales) Daily Mercury 19 May An iron hoop..is fixed by means of a simple pivot on the safe after a screw worm has been previously driven in.

1917 Hoard's Dairyman 28 Dec. 816/1 (advt.) Revolving screw worm feed gives great capacity.

2011 Jrnl. Algorithms & Computational Technol. 5 363 (title) Modeling and simulation of a screw-worm gear mechanical transmission to achieve its optimal design.

a. Originally U.S. Any of a group of blowfly larvae which cause severe, often fatal infestations of the skin and deeper tissues of livestock, other animals, and (less commonly) humans; esp. the larva of the fly Cochliomyia hominivorax of North and South America. In later use also: a fly producing such a larva; a screw-worm fly.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Diptera or flies > [noun] > suborder Cyclorrhapha > family Calliphoridae > member of genus Cochliomyia (screw fly) > larva of

screw worm1846

1846 S. H. Drum Let. 13 Oct. in Messages President U.S. on Mexican War (1848) 737 in U.S. Congress. Serial Set (30th Congr., 1st Sess.: House of Representatives Executive Doc. 60) VII Our greatest evil on the route was what is called the screw-worm.

1879 Investig. Dis. Swine (U.S. Dept. Agric.) 208 Ticks, screw-worm, and the large horse or cow fly have destroyed many animals.

1897 T. C. Allbutt et al. Syst. Med. IV. 704 To the larva of the latter [sc. Sarcophaga Georgina] the term ‘screw worm’ has been applied.

1936 E. Caldwell in New Yorker 22 Aug. 22/1 He hated weeds worse than he did boll weevils or screwworms.

1955 Sci. Amer. Oct. 50/3 The screwworm is a major pest of cattle in the U.S. Southeast.

1973 Nature 20 Apr. 494/1 The formidable task of re-eradicating the screw worm from the United States.

1993 M. J. R. Hall & K. G. V. Smith in R. P. Lane & R. W. Crosskey Med. Insects & Arachnids xii. 449 The Old World screw-worm occurs throughout much of Africa.., the Indian subcontinent and South East Asia.

2002 R. G. Mitchell Dancing at Armageddon v. 157 Pigs are full of pus. And they got screw worms all through 'um.

†b. A kind of tree-boring grub (perhaps a larva of a longhorn beetle). Obsolete. rare.

ΚΠ

a1892 G. H. Kingsley in M. H. Kingsley Mem. v, in G. H. Kingsley Sport & Trav. (1900) 120 Wherever we stopped in the woods we could hear the queer creaking rasp of the big boring grub which they call the screw-worm.

Compounds

† screw worm chuck n. Obsolete rare (in a lathe) a chuck equipped with a central screw which holds the object being worked; = screw chuck n. at screw n.¹ Compounds 6.

ΘΚΠ

society > occupation and work > equipment > machine tool > lathe > [noun] > part holding work

mandrel1664

chock1665

pike1680

centre plate1717

carrier1733

chuck1806

screw chuck1827

grip-knob1833

faceplate1837

surface chuck1842

jaw-chuck1874

turning-carrier1877

screw worm chuck1881

steady1885

roller steady1911

1881 J. J. Holtzapffel Hand or Simple Turning vi. 236 The Screw worm chuck..consists of a flat brass or iron flange..with a taper steel screw of a coarse, thin thread.

1888 Lockwood's Dict. Mech. Engin. 366 Taper screw chuck, or screw worm chuck, a form of lathe chuck used for turning wood [etc.].

screw-worm fly n. originally U.S. any of a group of blowflies (family Calliphoridae) whose larvae infest livestock, other animals, and humans, esp. Cochliomyia hominivorax; also called screw fly; cf. sense 2a.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Diptera or flies > [noun] > suborder Cyclorrhapha > family Calliphoridae > member of genus Cochliomyia (screw fly)

screw fly1868

screw-worm fly1879

1879 Cultivator & Country Gentleman 4 Sept. 570/4 Branding and castrating must be done in two months in Texas, on account of the screw-worm fly.

1993 M. J. R. Hall & K. G. V. Smith in R. P. Lane & R. W. Crosskey Med. Insects & Arachnids xii. 448 This Old World genus includes the Old World screw-worm fly, Chrysomya bezziana, an obligate parasite in wounds.

2001 N. Jones Rough Guide Trav. Health ii. 304 The New World screw worm flies deposit their eggs on the edges of wounds and healthy mucous membranes (mouth, nose, etc), allowing the larvae to burrow into the flesh.

This entry has been updated (OED Third Edition, June 2017; most recently modified version published online March 2022).

单词	screw worm
释义	screw wormn. Brit. /ˈskruː wəːm/, U.S. /ˈskru ˌwərm/ Origin: Formed within English, by compounding. Etymons: screw n.¹, worm n. Etymology: < screw n.¹ + worm n. With sense 1 compare worm n. 16. 1. A spiral-shaped operative part; a tool or device which includes such a part. Chiefly attributive in later use. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > [noun] > of specific shape cheek1487 ward1599 screw worm1648 ball1675 swan-neck1686 cone1832 goose-neck1843 spider1860 concave1874 1648 in C. S. Romanes Sel. Rec. Regality of Melrose (1914) I. 121 Ane double hagbut indentit with bain haveing ane rair snap work with scroule worme [printed worne] and ram stick. 1767 Philos. Trans. 1766 (Royal Soc.) 56 274 I passed a collar fastened to the neck of the patient, through the ring..in the upper screw worm, and the bandage which supported the dressings, through the ring..in the lower screw worm. 1852 tr. J. J. Seidel Organ & its Constr. iii. iii. 63 There is upon every key a screw-worm [Ger. Schraubengwinde (Väterchen)] of brass wire. 1878 Sydney Mail 13 Apr. 471/2 At the end of the cylinder..a toothed rack is fixed, which is worked by a screw worm turned by a small hand-wheel. 1906 Maitland (New S. Wales) Daily Mercury 19 May An iron hoop..is fixed by means of a simple pivot on the safe after a screw worm has been previously driven in. 1917 Hoard's Dairyman 28 Dec. 816/1 (advt.) Revolving screw worm feed gives great capacity. 2011 Jrnl. Algorithms & Computational Technol. 5 363 (title) Modeling and simulation of a screw-worm gear mechanical transmission to achieve its optimal design. 2. a. Originally U.S. Any of a group of blowfly larvae which cause severe, often fatal infestations of the skin and deeper tissues of livestock, other animals, and (less commonly) humans; esp. the larva of the fly Cochliomyia hominivorax of North and South America. In later use also: a fly producing such a larva; a screw-worm fly. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Diptera or flies > [noun] > suborder Cyclorrhapha > family Calliphoridae > member of genus Cochliomyia (screw fly) > larva of screw worm1846 1846 S. H. Drum Let. 13 Oct. in Messages President U.S. on Mexican War (1848) 737 in U.S. Congress. Serial Set (30th Congr., 1st Sess.: House of Representatives Executive Doc. 60) VII Our greatest evil on the route was what is called the screw-worm. 1879 Investig. Dis. Swine (U.S. Dept. Agric.) 208 Ticks, screw-worm, and the large horse or cow fly have destroyed many animals. 1897 T. C. Allbutt et al. Syst. Med. IV. 704 To the larva of the latter [sc. Sarcophaga Georgina] the term ‘screw worm’ has been applied. 1936 E. Caldwell in New Yorker 22 Aug. 22/1 He hated weeds worse than he did boll weevils or screwworms. 1955 Sci. Amer. Oct. 50/3 The screwworm is a major pest of cattle in the U.S. Southeast. 1973 Nature 20 Apr. 494/1 The formidable task of re-eradicating the screw worm from the United States. 1993 M. J. R. Hall & K. G. V. Smith in R. P. Lane & R. W. Crosskey Med. Insects & Arachnids xii. 449 The Old World screw-worm occurs throughout much of Africa.., the Indian subcontinent and South East Asia. 2002 R. G. Mitchell Dancing at Armageddon v. 157 Pigs are full of pus. And they got screw worms all through 'um. †b. A kind of tree-boring grub (perhaps a larva of a longhorn beetle). Obsolete. rare. ΚΠ a1892 G. H. Kingsley in M. H. Kingsley Mem. v, in G. H. Kingsley Sport & Trav. (1900) 120 Wherever we stopped in the woods we could hear the queer creaking rasp of the big boring grub which they call the screw-worm. Compounds † screw worm chuck n. Obsolete rare (in a lathe) a chuck equipped with a central screw which holds the object being worked; = screw chuck n. at screw n.¹ Compounds 6. ΘΚΠ society > occupation and work > equipment > machine tool > lathe > [noun] > part holding work mandrel1664 chock1665 pike1680 centre plate1717 carrier1733 chuck1806 screw chuck1827 grip-knob1833 faceplate1837 surface chuck1842 jaw-chuck1874 turning-carrier1877 screw worm chuck1881 steady1885 roller steady1911 1881 J. J. Holtzapffel Hand or Simple Turning vi. 236 The Screw worm chuck..consists of a flat brass or iron flange..with a taper steel screw of a coarse, thin thread. 1888 Lockwood's Dict. Mech. Engin. 366 Taper screw chuck, or screw worm chuck, a form of lathe chuck used for turning wood [etc.]. screw-worm fly n. originally U.S. any of a group of blowflies (family Calliphoridae) whose larvae infest livestock, other animals, and humans, esp. Cochliomyia hominivorax; also called screw fly; cf. sense 2a. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Diptera or flies > [noun] > suborder Cyclorrhapha > family Calliphoridae > member of genus Cochliomyia (screw fly) screw fly1868 screw-worm fly1879 1879 Cultivator & Country Gentleman 4 Sept. 570/4 Branding and castrating must be done in two months in Texas, on account of the screw-worm fly. 1993 M. J. R. Hall & K. G. V. Smith in R. P. Lane & R. W. Crosskey Med. Insects & Arachnids xii. 448 This Old World genus includes the Old World screw-worm fly, Chrysomya bezziana, an obligate parasite in wounds. 2001 N. Jones Rough Guide Trav. Health ii. 304 The New World screw worm flies deposit their eggs on the edges of wounds and healthy mucous membranes (mouth, nose, etc), allowing the larvae to burrow into the flesh. This entry has been updated (OED Third Edition, June 2017; most recently modified version published online March 2022). < n.1648
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