any of several diving ducks of the genus Aythya, especially A. marila (greater scaup), of the Northern Hemisphere, having a bluish-gray bill.
Origin of scaup
1665–75; by ellipsis from scaup duck, probably with Scots, N dial. scaup, scalp mussel bed (of uncertain origin)
Also called scaup duck.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for scaup
Historical Examples of scaup
Another of the sea-ducks, the scaup, is also taken in large numbers in this way.
These ducks are perhaps better known as Blue-bills, than as Scaup Ducks.
In flight, the dark wings are different from the white-edged wings of scaup.
The scaup came down the sky in dark masses, giving a rippling purr as they flew.
The food of the Scaup Duck consists largely of molluscs, but crustaceans and marine plants are also eaten by this species.
British Dictionary definitions for scaup
either of two diving ducks, Aythya marila (greater scaup) or A. affinis (lesser scaup), of Europe and America, having a black-and-white plumage in the maleAlso called (US): bluebill, broadbill
Word Origin for scaup
C16: Scot variant of scalp
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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