Definify.com
Webster 1913 Edition
Broadbill
Broad′billˊ
,Noun.
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
.