/ Dictionary / Index L leaf spot: Meaning and Definition of Find definitions for: leaf' spot" Pronunciation: [key] — Plant Pathol. Plant Pathol. a limited, often circular, discolored, diseased area on a leaf, usually including a central region of necrosis. any disease so characterized. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. leaf scald leaf spring Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language