bluebillPronunciation: /ˈbluːbɪl/Definition of bluebill noun 1a large African waxbill with a stout metallic blue bill and red and black plumage. Genus Spermophaga, Estrildidae: three species 2any of a number of ducks with blue bills: North American the scaup duck. Australian the blue-billed duck (Oxyura australis). bluebill in other Oxford dictionaries Definition of bluebill in the US English dictionary
