/ Dictionary / Index B Bastille Day: Meaning and Definition of Find definitions for: Bastille' Day" Pronunciation: [key] July 14, a national holiday of the French republic, commemorating the fall of the Bastille in 1789. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bastille bastille house Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language