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)



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