/ Dictionary / Index B brushback: Meaning and Definition of Find definitions for: brush•back Pronunciation: (brush'bak"), [key] — n. Baseball. a fastball thrown high and inside to force the batter away from the plate, often to intimidate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. brush brush border 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