/ Dictionary / Index I Indian Ocean: Meaning and Definition of Find definitions for: In'dian O'cean Pronunciation: [key] an ocean S of Asia, E of Africa, and W of Australia. 28,357,000 sq. mi. (73,444,630 sq. km). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Indian Mutiny Indianola Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language