/ Dictionary / Index J Johne's disease: Meaning and Definition of Find definitions for: Joh'ne's disease" Pronunciation: (yō"nuz), [key] — Vet. Pathol. Vet. Pathol. a chronic diarrheal disease of cattle and sheep caused by infection with Mycobacterium paratuberculosis, an organism related to the tubercle bacillus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. John Dory John F. Kennedy International Airport Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language