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Definition of Bluebill
1. Noun. Diving ducks of North America having a bluish-grey bill.
Exact synonyms: Broadbill, Scaup, Scaup Duck
Generic synonyms: Duck
Group relationships: Aythya, Genus Aythya
Specialized synonyms: Aythya Marila, Greater Scaup, Aythya Affinis, Lake Duck, Lesser Scaup, Lesser Scaup Duck
Generic synonyms: Duck
Group relationships: Aythya, Genus Aythya
Specialized synonyms: Aythya Marila, Greater Scaup, Aythya Affinis, Lake Duck, Lesser Scaup, Lesser Scaup Duck
Definition of Bluebill
1. n. A duck of the genus Fuligula. Two American species (F. marila and F. affinis) are common. See Scaup duck.
Definition of Bluebill
1. the scaup duck [n -S]
Medical Definition of Bluebill
1.