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[skawp] /skɔp/
any of several diving ducks of the genus Aythya, especially A. marila (greater scaup) of the Northern Hemisphere, having a bluish-gray bill.
Also called scaup duck.
Origin of scaup
1665-75; by ellipsis from scaup duck, probably with Scots, N dial. scaup, scalp mussel bed (of uncertain origin) Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for scaup
  • Testing competing hypotheses for chronology and intensity of lesser scaup molt during winter and spring migration.
  • In flight, the dark wings are different from the white-edged wings of scaup.
  • Individual scaup will be identified with colored bill markers.
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 male Also called (US) bluebill, broadbill
Word Origin
C16: Scot variant of scalp
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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