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