Also found in: Thesaurus.
Related to scaup duck: lesser scaup duck, canvasback duck
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|Noun||1.||scaup duck - diving ducks of North America having a bluish-grey bill|
duck - small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs
Aythya marila, greater scaup - large scaup of North America having a greenish iridescence on the head of the male