(n)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.Siouan
(n)a member of the large western branch of Sioux people which was made up of several groups that lived on the plains, Syn.Teton Sioux, Teton Dakota, Lakota
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)