canvasback Meaning, Definition & Usage
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noun North American wild duck valued for sport and food
Aythya valisineria; canvasback duck.
WordNet
Can"vas*back` noun
Definitions
(Zoöl.) A Species of duck ( Aythya vallisneria ), esteemed for the delicacy of its flesh. It visits the United States in autumn; particularly Chesapeake Bay and adjoining waters; -- so named from the markings of the plumage on its back.