a) Any of three species of small diving duck in the genus Aythya.
b) ; a bed or stratum of shellfish.

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  • Scaup — (sk[add]p), n. [See {Scalp} a bed of oysters or mussels.] 1. A bed or stratum of shellfish; scalp. [Scot.] [1913 Webster] 2. (Zo[ o]l.) A scaup duck. See below. [1913 Webster] {Scaup duck} (Zo[ o]l.), any one of several species of northern ducks… …   The Collaborative International Dictionary of English

  • Scaup — may refer to:* Scottish Conservative and Unionist Party, a political party in Scotland* One of three species of diving duck: ** Greater Scaup or just Scaup, Aythya marila ** Lesser Scaup, Aythya affinis ** New Zealand Scaup, Aythya… …   Wikipedia

  • scaup — [skôp] n. pl. scaups or scaup [obs. var. of scalp, mussel bed: prob. so named from eating habits] any of several wild ducks of the same genus (Aythya) as the redhead, canvasback, etc.: also scaup duck …   English World dictionary

  • scaup — /skawp/, n. any of several diving ducks of the genus Aythya, esp. A. marila (greater scaup), of the Northern Hemisphere, having a bluish gray bill. Also called scaup duck. [1665 75; by ellipsis from scaup duck, prob. with Scots, N dial. scaup,… …   Universalium

  • scaup — noun (plural scaup or scaups) Etymology: short for scaup duck; scaup probably alteration of scalp bed of shellfish Date: 1797 either of two diving ducks (Aythya affinis or A. marila) with the male having a glossy purplish or greenish head and a… …   New Collegiate Dictionary

  • scaup — /ˈskɔp/ (say skawp) noun any of certain diving ducks of the genus Aythya, especially the greater scaup, A. marila, of Europe and America. Also, scaup duck. {compare British dialect (northern) scaup, scalp oyster or mussel bed (on which scaups… …   Australian-English dictionary

  • scaup — n. diving duck of North America which has a bluish gray beak (also called scaup duck) …   English contemporary dictionary

  • scaup — [[t]skɔp[/t]] n. orn any of several diving ducks of the genus Aythya, esp. A. marila, of the Northern Hemisphere, having a bluish gray bill • Etymology: 1665–75; by ellipsis from scaup duck …   From formal English to slang

  • scaup — n. any diving duck of the genus Aythya. Etymology: scaup Sc. var. of scalp mussel bed, which it frequents …   Useful english dictionary

  • scaup — [skɔ:p] noun a diving duck, the male of which has a black head with a green or purple gloss. [Aythya marila and related species.] Origin C17: Scots var. of Scots and north. Engl. scalp mussel bed , a feeding ground of the duck …   English new terms dictionary

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