/ Dictionary / Index E ensign staff: Meaning and Definition of Find definitions for: en'sign staff" Pronunciation: [key] a staff at the stern of a vessel at which the ensign is flown. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ensign ensilage Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language