oak wilt: Meaning and Definition of

oak' wilt"

Pronunciation: [key]
— Plant Pathol. Plant Pathol.
  1. a disease of oaks, characterized by wilting and discoloration of the leaves and defoliation, usually starting at and spreading from the top of the tree and the ends of the branches, caused by a fungus, Chalara quercina.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.