Pronunciation: (tē'ton), [key]
—pl. -tons, (esp. collectively) -ton for 2.
1. the westernmost branch of the Dakota Indians.
2. a member of any of the tribes belonging to this branch, as the Brulé, Hunkpapa, Miniconjou, and Oglala.
3. a dialect of the Dakota language. Also called Lakhota, Lakota.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.