/ Dictionary / Index C chest protector: Meaning and Definition of Find definitions for: chest' protec"tor Pronunciation: [key] — Baseball. Baseball. a protective pad worn over the chest by a catcher or umpire to shield the body from foul tips. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chest-on-chest chest register Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language