pl. scaups or
any of several wild ducks of the same genus (Aythya) as the redhead, canvasback, etc.
also scaup duck
Origin of scaupobsolete variant, variety of scalp, mussel bed: probably so named from eating habits
nounpl. scaup or scaups
- Either of two diving ducks (Aythya marila or A. affinis) of the Northern Hemisphere, the male of which has gray, black, and white plumage. Also called bluebill.
- A small diving duck (Aythya novaeseelandiae) of New Zealand, having dark plumage.
Origin of scaupShort for scaup-duck, perhaps from Scots scalp, scaup, bed of mussels (from its feeding on shellfish).
(plural scaups or scaup)
See scalp (“a bed of oysters or mussels").