/ Dictionary / Index S St. Augustine: Meaning and Definition of Find definitions for: St. Au•gus•tine Pronunciation: (ô'gu-stēn"), [key] a seacoast city in NE Florida: founded by the Spanish 1565; oldest city in the U.S.; resort. 11,985. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Staudinger St. Augustine grass Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language