/ Dictionary / Index G gunpaper: Meaning and Definition of Find definitions for: gun•pa•per Pronunciation: (gun'pā"pur), [key] — n. Mil. a type of paper treated with nitric acid so that it has a composition similar to that of guncotton. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gunnysack gunplay Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language