1. a member of the Shoshonean people who formerly lived between Wyoming and the Mexican border but are now chiefly in Oklahoma
2. the Shoshonean language spoken by the Comanche
The Collaborative International Dictionary of English v.0.48:
Comanches \Co*man"ches\ (? or ?), n. pl.; sing. Comanche (? or
A warlike, savage, and nomadic tribe of the Shoshone family
of Indians, inhabiting Mexico and the adjacent parts of the
United States; -- called also Paducahs. They are noted for
plundering and cruelty.