/ Dictionary / Index L leaf roll: Meaning and Definition of Find definitions for: leaf' roll" Pronunciation: [key] — Plant Pathol. Plant Pathol. a viral disease of plants, esp. potatoes, characterized by upward rolling of the leaflets, chlorosis, stunting, and necrosis of the phloem. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. leaf-nosed bat leaf roller Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language