The Dhegihan languages are a group of Siouan languages that include Kansa–Osage, Omaha–Ponca, and Quapaw. Their historical region included parts of the Ohio and Mississippi River Valleys, the Great Plains, and southeastern North America.
Noun 1. any member of a Siouan people speaking one of the Dhegiha languages (hypernym) Sioux, Siouan (hyponym) Kansa, Kansas 2. a branch of the Siouan languages (hypernym) Siouan, Siouan language (hyponym) Kansa, Kansas