/ Dictionary / Index C Colorado Plateau: Meaning and Definition of Find definitions for: Colorad'o Plateau' Pronunciation: [key] a plateau in the SW United States, in N Arizona, NW New Mexico, S Utah, and SW Colorado: location of the Grand Canyon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. coloradoite Colorado potato beetle Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language