Broad"bill` (&?;), n. 1. (Zoöl.) A wild duck (Aythya, 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.
Broad"bill` (&?;), n. 1. (Zoöl.) A wild duck (Aythya, 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.