/ Dictionary / Index C cradle cap: Meaning and Definition of Find definitions for: cra'dle cap" Pronunciation: [key] an inflammation of the scalp, occurring in infants and characterized by greasy, yellowish scales; seborrheic dermatitis of infants. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cradleboard cradle roof Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language