(n)a member of the Siouan-speaking people formerly living in eastern Wisconsin south of Green Bay; ally of the Menomini and enemy of the Fox and Sauk people
n.; sing. Winnebago /sing>. (Ethnol.) A tribe of North American Indians who originally occupied the region about Green Bay, Lake Michigan, but were driven back from the lake and nearly exterminated in 1640 by the IIlinnois. [ 1913 Webster ]