Siouan Definition

so͝oən
noun
A family of North American Indian languages formerly spoken in the WC U.S., central Canada, and parts of Virginia and the Carolinas: it includes Iowa, Mandan, Dakota, Crow, Hidatsa, Osage, etc.
Webster's New World
A member of a Siouan-speaking people.
American Heritage
Synonyms:
  • sioux
  • Siouan language
adjective
Designating or of this family of languages.
Webster's New World

Origin of Siouan

  • Siou(x) –an

    From American Heritage Dictionary of the English Language, 5th Edition

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