noun, plural widg·eons, (especially collectively) widg·eon for 1.
- any of several common freshwater ducks related to the mallards and teals in the genus Anas, having metallic green flight feathers, a white wing patch, and a buff or white forehead, including A. penelope of Eurasia and North Africa, A. sibilatrix of South America, and the baldpate, A. americana, of North America.
- Obsolete. a fool.