Pronunciation: (win"u-bā'gō),[key] —n., —pl.-gos,(esp. collectively)-gofor 1. 1. a member of a North American Indian tribe speaking a Siouan language closely related to Assiniboin, Teton, and Mandan, formerly located in Green Bay, Wis., now living in Green Bay and NE Nebraska.
2. Lake, a lake in E Wisconsin. 30 mi. (48 km) long.