any of several diving ducks of the genus Aythya, especially A. marila (greater scaup), of the Northern Hemisphere, having a bluish-gray bill.

Nearby words

  1. scattershot,
  2. scattersite housing,
  3. scatty,
  4. scaturient,
  5. scaud,
  6. scauper,
  7. scaur,
  8. scavenge,
  9. scavenge pump,
  10. scavenge stroke

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. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for scaup

British Dictionary definitions for scaup


scaup duck


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