Source : Webster's Revised Unabridged Dictionary (1913)

Widgeon \Widg"eon\, n. [Probably from an old French form of F.
   vigeon, vingeon, gingeon; of uncertain origin; cf. L. vipio,
   -onis, a kind of small crane.] (Zo["o]l.)
   Any one of several species of fresh-water ducks, especially
   those belonging to the subgenus {Mareca}, of the genus
   {Anas}. The common European widgeon ({Anas penelope}) and the
   American widgeon ({A. Americana}) are the most important
   species. The latter is called also {baldhead}, {baldpate},
   {baldface}, {baldcrown}, {smoking duck}, {wheat}, {duck}, and
   {whitebelly}.

   {Bald-faced}, or {Green-headed}, widgeon, the American
      widgeon.

   {Black widgeon}, the European tufted duck.

   {Gray widgeon}.
   (a) The gadwall.
   (b) The pintail duck.

   {Great headed widgeon}, the poachard.

   {Pied widgeon}.
   (a) The poachard.
   (b) The goosander.

   {Saw-billed widgeon}, the merganser.

   {Sea widgeon}. See in the Vocabulary.

   {Spear widgeon}, the goosander. [Prov. Eng.]

   {Spoonbilled widgeon}, the shoveler.

   {White widgeon}, the smew.

   {Wood widgeon}, the wood duck.

Source : WordNet®

Anas penelope
     n : freshwater duck of Eurasia and northern Africa related to
         mallards and teals [syn: {widgeon}, {wigeon}]