Siouan
adj 1: of or relating to the Sioux people or their language and
culture
n 1: 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 [syn: {Sioux}, {Siouan}]
2: a family of North American Indian languages spoken by the
Sioux [syn: {Siouan}, {Siouan language}]