siouan

/ˈsuːən/
noun
  1. A family of North American Indian languages spoken by the Sioux and related peoples.
    • Many Siouan languages are endangered and have few fluent speakers.
    • Siouan includes languages like Dakota, Lakota, and Crow.
    • Linguists have classified Siouan as a distinct language family.
adjective
  1. Relating to the Sioux people or their languages.
    • Lakota is one of the major Siouan languages still spoken today.
    • She studied Siouan culture for her anthropology project.
    • The Siouan tribes once lived across much of the Great Plains.
What does "siouan" mean? | whatsthatwordmean | whatsthatwordmean