nouns
a member of the Siouan people formerly living in eastern Montana
is a type of (narrower)
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
a small quadrilateral constellation in the southern hemisphere near Virgo
a Siouan language spoken by the Crow
is a type of (narrower)
a family of North American Indian languages spoken by the Sioux