/ Dictionary / Index G gun room: Meaning and Definition of Find definitions for: gun' room" Pronunciation: [key] a room in which guns are kept. a room on a warship for the use of junior naval officers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Gunpowder Plot gunrunning Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language