Scaup

[skɒ:p]

(noun.) diving ducks of North America having a bluish-grey bill.

Edited by Johanna--From WordNet

(n.) A bed or stratum of shellfish; scalp.

(n.) A scaup duck. See below.

Checked by Eugene

n. a sea-duck of genus Aythya of northern regions related to the pochard.

Editor: Rosalie