scaup duck
noun
ˈskȯp-
variants or scaup
plural scaup or scaups
: any of several ducks of the genus Aythya: such as
a
: greater scaup
b
: lesser scaup
Word History
Etymology
scaup, perhaps alteration of scalp entry 1; from its fondness for shellfish
First Known Use
1797, in the meaning defined above