Siouan

noun
Siou·​an | \ ˈsü-ən How to pronounce Siouan (audio) \

Definition of Siouan

1 : an American Indian language family of central and southeastern North America
2 : a member of any of the peoples speaking Siouan languages

First Known Use of Siouan

1885, in the meaning defined at sense 1

Keep scrolling for more