noun, plural Te·tons, (especially collectively) Te·ton for 2.
- the westernmost branch of the Dakota Indians.
- a member of any of the tribes belonging to this branch, as the Brulé, Hunkpapa, Miniconjou, and Oglala.
- a dialect of the Dakota language.
member of a western Sioux people, 1806, from Dakota titonwan, literally “dwellers on the prairie,” from thi + huwa. Not related to the Grand Teton mountain range.