/ Dictionary / Index A advertising account: Meaning and Definition of Find definitions for: ad'vertising account" Pronunciation: [key] account (def. 11c). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. advertising advertising agency Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language