/tee"ton/ , n. , pl. Tetons , ( esp. collectively ) Teton 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 .