/ Dictionary / Index C coaster brake: Meaning and Definition of Find definitions for: coast'er brake" Pronunciation: [key] a brake on the hub of the rear wheel of freewheel bicycles, operated by back pressure on the pedals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. coaster Coast Guard Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language