/ Dictionary / Index C chest-thumping: Meaning and Definition of Find definitions for: chest-thump•ing Pronunciation: (chest'thum"ping), [key] — n. the act or practice of boasting. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chest register chesty Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language