/ Dictionary / Index W Winnebago: Meaning and Definition of Find definitions for: Win•ne•ba•go Pronunciation: (win"u-bā'gō), [key] — pl. -gos, -go 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. a lake in E Wisconsin. 30 mi. (48 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: winnebago (Thesaurus) winnable Winnepesaukee Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language