Breadcrumb Home > Dictionary > Index C Caddoan: Meaning and Definition of Find definitions for: Cad•do•an Pronunciation: (kad'ō-un), [key] — n. a family of North American Indian languages spoken in the upper Missouri valley in North Dakota, in the Platte valley in Nebraska, in southwestern Arkansas, and in neighboring parts of Oklahoma, Texas, and Louisiana. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: caddoan (Thesaurus) Caddo caddy TrendingHere are the facts and trivia that people are buzzing about. Hard Labor Current Events This Week: June 2023 Languages Spoken in Each Country of the World User's Guide to Environmental Language The Washington Monument: Facts, History & Profile LGBT Pride Month | Biographies of Notable Individuals Civilian Labor Force ✖ Related Content Daily Word Quiz: visceral Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language