/ Dictionary / Index G Guy Fawkes Day: Meaning and Definition of Find definitions for: Guy' Fawkes' Day" Pronunciation: (gī' fôks'), [key] (in Britain) November 5, celebrating the anniversary of the capture of Guy Fawkes. Cf. Gunpowder Plot. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Guyenne guy Friday Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language