Plains Indian: Meaning and Definition of

Plains' In"dian

1. a member of any of the American Indian tribes, as those of the Algonquian, Athabascan, Caddoan, Kiowa, Siouan, or Uto-Aztecan linguistic families, that formerly inhabited the Great Plains. All were more or less nomadic, following the buffalo, and were often in touch with one another so that the development among them of common culture traits is noticeable. Also called