- Caddo - a group of Plains Indians formerly living in what is now North and South Dakota and Nebraska and Kansas and Arkansas and Louisiana and Oklahoma and Texas
--1 is a kind of Plains Indian, Buffalo Indian
--1 has particulars:Arikara, Aricara; Eyeish; Kichai; Pawnee; Wichita - Caddo, Caddoan, Caddoan language - a family of North American Indian languages spoken widely in the midwest by Caddo peoples
--2 is a kind of Amerind, Amerindian language, American-Indian language, American Indian, Indian
--2 has particulars: Arikara, Aricara; Pawnee; Wichita - Caddo, Caddoan, Caddoan language - a family of North American Indian languages spoken widely in the midwest by Caddo peoples