Breadcrumb Home > Dictionary > Index P Pierce's disease: Meaning and Definition of Find definitions for: Pierce''s disease" Pronunciation: [key] — Plant Pathol. Plant Pathol. a disease of grapes caused by a rickettsialike organism, characterized by dwarfing of vines, mottling of woody tissues, and plant death. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pierced piercing 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: persiflage Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language