greater scaup

scaup

[skawp]
noun
  1. 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.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for greater scaup

scaup

scaup duck

noun
  1. 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 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012