/ Dictionary / Index L Louis XVI: Meaning and Definition of Find definitions for: Louis XVI Pronunciation: [key] 1754–93, king of France 1774–92 (grandson of Louis XV and husband of Marie Antoinette). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Louis XV Louis XVII Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language