n]
| 1. | an American Indian language family formerly widespread from Saskatchewan to the lower Mississippi, also found in the Virginia and Carolina piedmont, and including Catawba, Crow, Dakota, Hidatsa, Mandan, Osage, and Winnebago. |
| 2. | a member of one of the Siouan-speaking peoples. |
| 3. | of or pertaining to the Sioux or the Siouan languages. |