/ Dictionary / Index S San Antonio: Meaning and Definition of Find definitions for: San An•to•ni•o Pronunciation: (san" an-tō'nē-ō"), [key] a city in S Texas: site of the Alamo. 785,410. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. San Anselmo sanative Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language