/ Dictionary / Index S sun bear: Meaning and Definition of Find definitions for: sun' bear" Pronunciation: [key] a small, black bear, Ursus (Helarctos) malayanus, of Southeast Asian forests, having a light muzzle and yellow chest markings. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sunbeam Sunbelt Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language