/ Dictionary / Index M morning gun: Meaning and Definition of Find definitions for: morn'ing gun' Pronunciation: [key] a gun fired at the first note of reveille. the firing of this gun. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. morning glory family morning line Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language