from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A Native American confederacy composed of numerous small tribes formerly inhabiting the Red River area of Louisiana, Arkansas, and eastern Texas and now located in central Oklahoma.
- n. A member of this confederacy.
- n. The Caddoan language of the Caddo.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A member of one of the Caddo tribes.
- proper n. A confederacy of several southeastern Native American tribes, who inhabited much of what is now East Texas, western Louisiana and portions of southern Arkansas and Oklahoma in the sixteenth century.
- proper n. A Caddoan language of the Southern Plains of the United States, spoken by the Caddo Nation of Oklahoma.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. 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
- n. a family of North American Indian languages spoken widely in the Midwest by the Caddo
French, from Caddo kaduhdā·čuʔ, a major tribe of the Caddo confederacy.(American Heritage® Dictionary of the English Language, Fourth Edition)