plural Cheyenne or Cheyennes : a member of a nation of Algonquian-speaking Indigenous peoples of the western Great Plains of the U.S.
Note: The Cheyenne divided into northern and southern branches in the 1830s, with the Southern Cheyenne uniting with the Southern Arapaho tribe to form the federally recognized Cheyenne and Arapaho Tribal Nations.
: the Algonquian language of the Cheyenne people
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