/ Dictionary / Index B belly laugh: Meaning and Definition of Find definitions for: bel'ly laugh" Pronunciation: [key] a deep, loud, hearty laugh. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bellylaugh (Thesaurus) belly-land belly pan Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language