/ Dictionary / Index S Saint-Louis: Meaning and Definition of Find definitions for: Saint-Lou•is Pronunciation: (Fr. san-lwē'), [key] — n. a seaport in and the former capital of Senegal, at the mouth of the Senegal River. 81,204. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: saint-louis (Thesaurus) Saint-Just saintly Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language