/ Dictionary / Index M merchant bank: Meaning and Definition of Find definitions for: mer'chant bank" Pronunciation: [key] a private banking firm engaged chiefly in investing in new issues of securities and in accepting bills of exchange in foreign trade. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. merchantable title merchant flag Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language