/ Dictionary / Index S St. Eustatius: Meaning and Definition of Find definitions for: St. Eu•sta•ti•us Pronunciation: (y-stā'shē-us, -shus), [key] an island in the Netherlands Antilles, in the E West Indies. 1421; 7 sq. mi. (18 sq. km). Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. St.-Eustache Steve Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language