Definition of Siouan in English:



  • [mass noun] A family of North American Indian languages spoken by the Sioux and related people, including Dakota, Hidatsa, and Crow.

    • ‘The Monacan Nation is comprised primarily of descendants of the Siouan speaking Monacans, Tutelos, and Saponis.’


  • Relating to or denoting the Siouan language family.

    • ‘We examined the data for Algonquian as well as Siouan language groups.’
    • ‘Members of the Siouan language family proper are to be found practically everywhere east of the Rocky Mountains except on the southern Plains and in the Northeast.’
    • ‘His research helped debunk earlier notions that the Monacans and other Siouan groups were largely nomadic hunters and gatherers.’