/ Dictionary / Index C Cleo: Meaning and Definition of Find definitions for: Cle•o Pronunciation: (klē'ō), [key] — n. a female given name. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. clench Cleobulus Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language