/ Dictionary / Index S St. Louis: Meaning and Definition of Find definitions for: St. Lou•is Pronunciation: (sānt" l'is ), [key] a port in E Missouri, on the Mississippi. 453,085. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. St. Lô St. Louis Park Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language