Definitions of scaup
  1. noun
    diving ducks of North America having a bluish-grey bill
    synonyms: bluebill, broadbill, scaup duck
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    Aythya marila, greater scaup
    large scaup of North America having a greenish iridescence on the head of the male
    Aythya affinis, lake duck, lesser scaup, lesser scaup duck
    common scaup of North America; males have purplish heads
    type of:
    small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs
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