n. A North American wild duck, Aythya valisineria, popular as a game bird.
the GNU version of the Collaborative International Dictionary of English
n. 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.
The Century Dictionary and Cyclopedia
n. A North American duck of the family Anatidæ and subfamily Fuligulinæ, the Fuligula (or Aristonetta) vallisneria, highly esteemed for the delicacy of its flesh.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. North American wild duck valued for sport and food
Word Usage
"And they learned to eat roasted mallard and canvasback in the"