/ Dictionary / Index C Cahokia Mounds: Meaning and Definition of Find definitions for: Caho'kia Mounds' Pronunciation: [key] a group of very large prehistoric Indian earthworks in southwestern Illinois, consisting of mounds with flat tops that supported temples and other structures of mud and thatch. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Cahokia cahoot Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language