/ Dictionary / Index S Stewart Island: Meaning and Definition of Find definitions for: Stew'art Is'land Pronunciation: [key] one of the islands of New Zealand, S of South Island. 329; 670 sq. mi. (1735 sq. km). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Stewart stewbum 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