/ Dictionary / Index J Jonathan spot: Meaning and Definition of Find definitions for: Jon'athan spot" Pronunciation: [key] — Plant Pathol. Plant Pathol. a disease of stored apples, esp. the Jonathan, characterized by circular lesions on the fruit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Jonathan jones Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language