noun, plural Chick·a·saws, (especially collectively) Chick·a·saw.
- a member of a tribe of North American Indians, formerly in northern Mississippi, now in Oklahoma.
- the Muskogean language of the Chickasaw.
- plural -saws or -saw a member of a Native American people of N Mississippi
- the language of this people, belonging to the Muskogean family and closely related to Choctaw
1670s, from Chickasaw Chikasha, the people’s name for themselves.