/ Dictionary / Index E expense account: Meaning and Definition of Find definitions for: expense' account" Pronunciation: [key] an account of business expenditures, as travel, hotel room, meals, and entertainment connected with work, for which an employee will be reimbursed by an employer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. expense expensive Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language