Breadcrumb Home > Dictionary > Index M Marek's disease: Meaning and Definition of Find definitions for: Ma'rek's disease" Pronunciation: (mar'iks, mär'-), [key] — Vet. Pathol. Vet. Pathol. a contagious cancerous disease of poultry, caused by a herpesvirus and characterized by proliferation of lymphoid cells and paralysis of a limb or the neck. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Mare Island mare liberum 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: felicitous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language