Definition of Siouan in English:

Siouan

noun

  • A family of North American Indian languages spoken by the Sioux and related peoples, including Crow, Dakota, Hidatsa, Lakota, Mandan, Omaha, and Yankton.

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

adjective

  • Relating to the Siouan language family.

    • ‘His research helped debunk earlier notions that the Monacans and other Siouan groups were largely nomadic hunters and gatherers.’
    • ‘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.’

Pronunciation:

Siouan

/ˈso͞oən/