/ Dictionary / Index P plowback: Meaning and Definition of Find definitions for: plow•back Pronunciation: (plou'bak"), [key] — n. a reinvestment of earnings or profits in a business enterprise. the money thus reinvested. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. plow plowboy Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language