/ Dictionary / Index P profit margin: Meaning and Definition of Find definitions for: prof'it mar"gin Pronunciation: [key] the percentage that profit constitutes of total sales. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. profiterole profit motive Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language