/ Dictionary / Index L louis: Meaning and Definition of Find definitions for: lou•is Pronunciation: (l'ē Fr. lwē), [key] — pl. lou•is See Lou•is Pronunciation: (l'is or, for 2, l'ē), [key] — n. (Joseph Louis Barrow), 1914–81, U.S. boxer: world heavyweight champion 1937–49. a male given name: from a Germanic word meaning “loud battle.” Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: louis (Thesaurus) louie Louis I Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language