/ Dictionary / Index L Louis XV: Meaning and Definition of Find definitions for: Louis XV Pronunciation: [key] 1710–74, king of France 1715–74 (great grandson of Louis XIV). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Louis XIII Louis XVI Related Content Daily Word Quiz: verdant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language