Breadcrumb Home > Dictionary > Index M mercantile paper: Meaning and Definition of Find definitions for: mer'cantile pa"per. Pronunciation: [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mercantile agency mercantile system ✖ Related Content Daily Word Quiz: sophism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language