/ Dictionary / Index P Port Louis: Meaning and Definition of Find definitions for: Port" Lou'is Pronunciation: (l'is, l'ē), [key] a seaport in and the capital of Mauritius, in the Indian Ocean, E of Madagascar. 136,000. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Port Lavaca portly Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language