/ Dictionary / Index S San Luis Potosí: Meaning and Definition of Find definitions for: San Lu•is Po•to•sí Pronunciation: (sän" l-ēs' pô"tô-sē'), [key] a state in central Mexico. 1,527,000; 24,415 sq. mi. (63,235 sq. km). the capital of this state. 303,000. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. San Luis Obispo San Manuel Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language