/ Dictionary / Index C cleft lip: Meaning and Definition of Find definitions for: cleft' lip' Pronunciation: [key] harelip. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cleft cleft palate Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language