/ Dictionary / Index C cack: Meaning and Definition of Find definitions for: cack Pronunciation: (kak), [key] — n. a soft-soled, heelless shoe for infants. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cacique cackle Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language