/ Dictionary / Index B Borneo: Meaning and Definition of Find definitions for: Bor•ne•o Pronunciation: (bôr'nē-ō"), [key] — n. an island in the Malay Archipelago, politically divided among Indonesia, Malaysia, and the British-protected sultanate of Brunei. 6,000,000; 290,000 sq. mi. (750,000 sq. km). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: borneo (Thesaurus) borne borneol Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language