Shoshone Syllabification: (Sho·sho·ne)Pronunciation: /SHōˈSHōnē/Definition of Shoshone noun (plural same or Shoshones) 1a member of an American Indian people living chiefly in Wyoming, Idaho, and Nevada. 2the Uto-Aztecan language of the Shoshone. adjective relating to the Shoshone or their language. Origin:of unknown originShoshone in other Oxford dictionaries Definition of Shoshone in the British & World English dictionary