Pronunciation: (ī'u-wu sometimes ī'u-wā&sec), [key]
— pl. -was, -wa
a state in the central United States: a part of the Midwest. 2,913,387; 56,290 sq. mi. (145,790 sq. km). Cap.: Des Moines. Abbr.: IA (approved esp. for use with zip code), Ia., Io.
a river flowing SE from N Iowa to the Mississippi River. 291 mi. (470 km) long.
a member of an American Indian people originally of Iowa, Missouri, and Minnesota but now of Oklahoma, Nebraska, and Kansas.