/ Dictionary / Index G Gunpowder Plot: Meaning and Definition of Find definitions for: Gun'powder Plot" Pronunciation: [key] an unsuccessful plot to kill King James I and the assembled Lords and Commons by blowing up Parliament, November 5, 1605, in revenge for the laws against Roman Catholics. Cf. Guy Fawkes Day. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gunpowder gun room 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