/ Dictionary / Index E Executive Mansion: Meaning and Definition of Find definitions for: Exec'utive Man'sion Pronunciation: [key] the official residence of the governor of a U.S. state. See(def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. executive council Executive Office of the President Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language