Breadcrumb Home > Dictionary > Index B brown heart: Meaning and Definition of Find definitions for: brown' heart' Pronunciation: [key] — Plant Pathol. Plant Pathol. a brown discoloration of the flesh of stored apples, resulting from high concentrations of carbon dioxide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. brown hackle brown hyena TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: parallax Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language