/ Dictionary / Index C color wheel: Meaning and Definition of Find definitions for: col'or wheel". Pronunciation: [key] See under(def. 1a). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. color transparency Colossae 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