/ Dictionary / Index D drum brake: Meaning and Definition of Find definitions for: drum' brake" Pronunciation: [key] — Auto. Auto. a brake system in which a pair of brake shoes can be pressed against the inner surface of a shallow metal drum that is rigidly attached to a wheel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. drumbeater drum corps Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language