Definition of Siouan
Noun: Siouan soo-un
- A family of North American Indian languages spoken by the Sioux
- Siouan language
- A member of a group of North American Indian peoples who spoke a Siouan language and who ranged from Lake Michigan to the Rocky Mountains
- Sioux
- Of or relating to the Sioux people or their language and culture
Anagrams containing the word Siouan