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n. pl. Iowa or I·o·was
1. A member of a Native American people formerly inhabiting parts of Iowa and southwest Minnesota, with present-day populations in Nebraska, Kansas, and Oklahoma.
2. The Siouan language of the Iowa.
[From French ayoés, ultimately from Dakota ayúxba.]
I·o·wa 2(ī′ə-wə) Abbr. IA or Ia.
A state of the north-central United States. It was admitted as the 29th state in 1846. Part of the Louisiana Purchase of 1803, Iowa was organized as a separate territory in 1838. The Mound Builders lived in the area in prehistoric times. Des Moines is the capital and the largest city.