Dictionary.net

A tribe of Indians of the Dakota stock, living in Montana; -- also called Upsarokas.

Passeriformes of the suborder, Oscines, in which the flexor tendons of the toes are separate, and the lower syrinx has 4 to 9 pairs of tensor muscles inserted at both ends of the tracheal half rings. They include many commonly recognized birds such as crows, finches, robins, sparrows, and swallows.