Breadcrumb Home > Dictionary > Index B black knot: Meaning and Definition of Find definitions for: black' knot' Pronunciation: [key] — Plant Pathol. Plant Pathol. a disease of plants, esp. of plums and cherries, characterized by black knotlike overgrowths on the branches, twigs, etc., caused by a fungus, Dibotryon morbosa. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. black kite black land 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: recherch Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language