Definition of greyback in English:

greyback

noun ˈɡreɪbak

1US. Any of several wading birds; especially the (red) knot, Calidris canutus, in winter plumage. Now historical.
2English regional and US. The (greater) scaup, Aythya marila. Now rare.
3United States regional. A louse. Also figurative. Now archaic and historical.
4US. More fully "greyback whale". The grey whale, Eschrichtius robustus.
5English regional. More fully "greyback crow". The hooded crow, Corvus corone cornix. Compare grey crow. Now rare.
6A member of a military or police force whose uniform includes, or consists of, a grey coat; specifically (US informal) a soldier of the Confederate army in the American Civil War (1861–5). Compare greycoat, "grey". Now archaic and historical.
7US. A monetary note issued by the Confederacy during the American Civil War. Compare "blueback", "greenback". Now historical.

Origin

Early 19th century; earliest use found in Alexander Wilson (1766–1813), ornithologist and poet. From grey + back.

Definition of greyback in US English:

greyback

nounˈɡreɪbak

1US. Any of several wading birds; especially the (red) knot, Calidris canutus, in winter plumage. Now historical.
2English regional and US. The (greater) scaup, Aythya marila. Now rare.
3United States regional. A louse. Also figurative. Now archaic and historical.
4US. More fully "greyback whale". The grey whale, Eschrichtius robustus.
5English regional. More fully "greyback crow". The hooded crow, Corvus corone cornix. Compare grey crow. Now rare.
6A member of a military or police force whose uniform includes, or consists of, a grey coat; specifically (US informal) a soldier of the Confederate army in the American Civil War (1861–5). Compare greycoat, "grey". Now archaic and historical.
7US. A monetary note issued by the Confederacy during the American Civil War. Compare "blueback", "greenback". Now historical.

Origin

Early 19th century; earliest use found in Alexander Wilson (1766–1813), ornithologist and poet. From grey + back.

词汇	greyback
释义	Definition of greyback in English: greyback noun ˈɡreɪbak 1US. Any of several wading birds; especially the (red) knot, Calidris canutus, in winter plumage. Now historical. 2English regional and US. The (greater) scaup, Aythya marila. Now rare. 3United States regional. A louse. Also figurative. Now archaic and historical. 4US. More fully "greyback whale". The grey whale, Eschrichtius robustus. 5English regional. More fully "greyback crow". The hooded crow, Corvus corone cornix. Compare grey crow. Now rare. 6A member of a military or police force whose uniform includes, or consists of, a grey coat; specifically (US informal) a soldier of the Confederate army in the American Civil War (1861–5). Compare greycoat, "grey". Now archaic and historical. 7US. A monetary note issued by the Confederacy during the American Civil War. Compare "blueback", "greenback". Now historical. Origin Early 19th century; earliest use found in Alexander Wilson (1766–1813), ornithologist and poet. From grey + back. Definition of greyback in US English: greyback nounˈɡreɪbak 1US. Any of several wading birds; especially the (red) knot, Calidris canutus, in winter plumage. Now historical. 2English regional and US. The (greater) scaup, Aythya marila. Now rare. 3United States regional. A louse. Also figurative. Now archaic and historical. 4US. More fully "greyback whale". The grey whale, Eschrichtius robustus. 5English regional. More fully "greyback crow". The hooded crow, Corvus corone cornix. Compare grey crow. Now rare. 6A member of a military or police force whose uniform includes, or consists of, a grey coat; specifically (US informal) a soldier of the Confederate army in the American Civil War (1861–5). Compare greycoat, "grey". Now archaic and historical. 7US. A monetary note issued by the Confederacy during the American Civil War. Compare "blueback", "greenback". Now historical. Origin Early 19th century; earliest use found in Alexander Wilson (1766–1813), ornithologist and poet. From grey + back.
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