chestnut blight: Meaning and Definition of

chest'nut blight"

Pronunciation: [key]
— Plant Pathol. Plant Pathol.
  1. a disease of chestnuts, esp. the American chestnut, characterized by bark lesions that girdle and eventually kill the tree, caused by a fungus, Endothia parasitica.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.