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.
- Either of two wild, freshwater ducks (Anas americana of North America or A. penelope of Europe) having a grayish or brownish back and a white belly and wing coverts. The European widgeon has a reddish-brown head and creamy crown, and the American widgeon has a shiny white crown.