/ Dictionary / Index C commercial attaché: Meaning and Definition of Find definitions for: commer'cial attaché' Pronunciation: [key] an attaché in an embassy or legation representing the commercial interests of his or her country. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. commercial art commercial bank Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language