Scaup duck

Noun Scaup duck has 1 sense

• scaup duck(n = noun.animal) bluebill, broadbill, scaup - diving ducks of North America having a bluish-grey bill;
is a kind of duck
is a member of aythya, genus aythya
has particulars: aythya marila, greater scaup, aythya affinis, lake duck, lesser scaup, lesser scaup duck