noun
1. a member of the Siouan people of the northern Mississippi valley; commonly called the Sioux
2. the area of the states of North Dakota and South Dakota
• Instance Hypernyms: ↑geographical area, ↑geographic area, ↑geographical region, ↑geographic region
• Part Holonyms:
• Part Meronyms:
3. the Siouan language spoken by the Dakota
• Hypernyms: ↑Siouan, ↑Siouan language
Useful english dictionary. 2012.