Breadcrumb Home > Dictionary > Index R ring rot: Meaning and Definition of Find definitions for: ring' rot" Pronunciation: [key] — Plant Pathol. Plant Pathol. a disease of potatoes, characterized by wilted foliage and rotting of the ring of vascular bundles in the tubers, caused by a bacterium, Corynebacterium sepedonicum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ring-porous ringsail 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: pernicious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language