/ Dictionary / Index B brown hyena: Meaning and Definition of Find definitions for: brown' hye'na Pronunciation: [key] a hyena, Hyaena brunnea, of southern Africa, having a blackish-gray coat: its dwindling population is now protected. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. brown heart Brownian movement Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language