white-backn.

Brit.

/ˈwʌɪtbak/, U.S.

/ˈ(h)waɪtˈˌbæk/

Origin: Formed within English, by compounding. Etymons: white adj., back n.¹

Etymology: < white adj. + back n.¹ Compare earlier white-backed adj.

1. Any of various birds with white backs (cf. white-backed adj. 1); esp. (U.S.) the canvasback duck, Aythya valisineria.

ΘΚΠ

the world > animals > birds > freshwater birds > order Anseriformes (geese, etc.) > subfamily Merginae (duck) > [noun] > member of genus Aythya (miscellaneous) > aythya valisneriana (canvas-back)

canvas-back1785

white-back1790

1790 D. Grant Let. 24 Jan. in G. Washington Papers (1996) Presidential Ser. V. 47 I have forwarded 4 pr white Back Ducks.

1814 A. Wilson Amer. Ornithol. (1832) III. 128 Canvass-back duck..on the Potowmac [they are called] white-backs.

1946 Auk 63 79 The young birds are easier to shoot because they decoy more readily than the old ‘white backs’.

1953 A. Russell Murray Walkabout 115 I saw the most striking picture of the social habits of the white-backed swallows that has come my way... Forty-three ‘white-backs’ issued from that tunnel-mouth.

2004 Wildlife Conservation Feb. 46/1 Now these vultures have nearly disappeared. In two weeks, I saw only ten white-backs and no long-bills.

†2. English regional (East Anglian). The white poplar, Populus alba. Obsolete. rare.

ΘΚΠ

the world > plants > particular plants > trees and shrubs > tree or shrub groups > poplars and allies > [noun]

popple1229

popple-tree1229

abele?a1300

poplar1371

black poplar1542

white poplar1542

poppling1570

cotton tree1633

tacamahac1739

Lombardy poplar1766

poplar pine1770

Po poplar1776

grey poplar1782

cottonwood1787

pine poplar1789

liard1809

white-backa1825

necklace poplar1845

silver poplar1847

weather-tree1847

hackmatack1873

bitter-weed1878

balsam-poplar1884

Russian poplar1884

Lombardy1917

a1825 R. Forby Vocab. E. Anglia (1830) White-back, the white poplar, Populus alba. So called from the whiteness of the under side of the leaves.

†3. The cherry fruit moth, Argyresthia pruniella (family Yponomeutidae), a small European moth with a white back. Obsolete. rare.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Insecta > Heterocera > [noun] > family Yponomeutidae

white-back1832

1832 J. Rennie Conspectus Butterflies & Moths Brit. 199 The White-back (Y[ponomeuta] pruniella).

This entry has been updated (OED Third Edition, March 2015; most recently modified version published online December 2021).

单词	white-back
释义	white-backn. Brit. /ˈwʌɪtbak/, U.S. /ˈ(h)waɪtˈˌbæk/ Origin: Formed within English, by compounding. Etymons: white adj., back n.¹ Etymology: < white adj. + back n.¹ Compare earlier white-backed adj. 1. Any of various birds with white backs (cf. white-backed adj. 1); esp. (U.S.) the canvasback duck, Aythya valisineria. ΘΚΠ the world > animals > birds > freshwater birds > order Anseriformes (geese, etc.) > subfamily Merginae (duck) > [noun] > member of genus Aythya (miscellaneous) > aythya valisneriana (canvas-back) canvas-back1785 white-back1790 1790 D. Grant Let. 24 Jan. in G. Washington Papers (1996) Presidential Ser. V. 47 I have forwarded 4 pr white Back Ducks. 1814 A. Wilson Amer. Ornithol. (1832) III. 128 Canvass-back duck..on the Potowmac [they are called] white-backs. 1946 Auk 63 79 The young birds are easier to shoot because they decoy more readily than the old ‘white backs’. 1953 A. Russell Murray Walkabout 115 I saw the most striking picture of the social habits of the white-backed swallows that has come my way... Forty-three ‘white-backs’ issued from that tunnel-mouth. 2004 Wildlife Conservation Feb. 46/1 Now these vultures have nearly disappeared. In two weeks, I saw only ten white-backs and no long-bills. †2. English regional (East Anglian). The white poplar, Populus alba. Obsolete. rare. ΘΚΠ the world > plants > particular plants > trees and shrubs > tree or shrub groups > poplars and allies > [noun] popple1229 popple-tree1229 abele?a1300 poplar1371 black poplar1542 white poplar1542 poppling1570 cotton tree1633 tacamahac1739 Lombardy poplar1766 poplar pine1770 Po poplar1776 grey poplar1782 cottonwood1787 pine poplar1789 liard1809 white-backa1825 necklace poplar1845 silver poplar1847 weather-tree1847 hackmatack1873 bitter-weed1878 balsam-poplar1884 Russian poplar1884 Lombardy1917 a1825 R. Forby Vocab. E. Anglia (1830) White-back, the white poplar, Populus alba. So called from the whiteness of the under side of the leaves. †3. The cherry fruit moth, Argyresthia pruniella (family Yponomeutidae), a small European moth with a white back. Obsolete. rare. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > Heterocera > [noun] > family Yponomeutidae white-back1832 1832 J. Rennie Conspectus Butterflies & Moths Brit. 199 The White-back (Y[ponomeuta] pruniella). This entry has been updated (OED Third Edition, March 2015; most recently modified version published online December 2021). < n.1790
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