Hypertext Webster Gateway: "canvasback"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Canvasback \Can"vas*back`\, n. (Zo["o]l.)
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.
From WordNet (r) 1.7 (wn)
canvasback
n : North American wild duck valued for sport and food [syn: {canvasback
duck}, {Aythya valisineria}]
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