Blue·bill n. Zool. A duck of the genus Fuligula. Two American species (Fuligula marila and Fuligula affinis) are common. See Scaup duck.
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Broad·bill n.
1. Zool. A wild duck (Aythya marila, or Fuligula marila), which appears in large numbers on the eastern coast of the United States, in autumn; -- called also bluebill, blackhead, raft duck, and scaup duck. See Scaup duck.
2. Zool. The shoveler. See Shoveler.
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