Source : Webster's Revised Unabridged Dictionary (1913)

Shoshones \Sho*sho"nes\, n. pl.; sing. {Shoshone}. (Ethnol.)
   A linguistic family or stock of North American Indians,
   comprising many tribes, which extends from Montana and Idaho
   into Mexico. In a restricted sense the name is applied
   especially to the Snakes, the most northern of the tribes.

Source : WordNet®

Shoshone
     n 1: a member of the North American Indian people (related to the
          Aztecs) of the southwestern United States [syn: {Shoshoni}]
     2: the language spoken by the Shoshone people (belonging to the
        Uto-Aztecan family)