noun pl. Caddos or Caddo
- a member of any of a group of North American Indian peoples formerly living in Louisiana, Arkansas, and E Texas, now living mainly in Oklahoma
- the Caddoan language of these peoples
Origin:
Louisiana Fr Cadaux, shortened < Sp Cadojodacho < Caddo kaduhdá·čuʾ, name of a major group of the Caddo confederacy