English

Noun

Caddo ‎(plural Caddo or Caddos)

1. A member of one of the Caddo tribes.

Proper noun

Caddo

1. 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.
2. A Caddoan language of the Southern Plains of the United States, spoken by the Caddo Nation of Oklahoma.
3. A town in Oklahoma.