/ Dictionary / Index G gunpowder: Meaning and Definition of Find definitions for: gun•pow•der Pronunciation: (gun'pou"dur), [key] — n. an explosive mixture, as of potassium nitrate, sulfur, and charcoal, used in shells and cartridges, in fireworks, for blasting, etc. a fine variety of green China tea, each leaf of which is rolled into a little ball. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gunpowder (Thesaurus) gunport Gunpowder Plot 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