WordReference Random House Unabridged Dictionary of American English © 2026
oak′-root rot′
(ōk′ro̅o̅t′, -rŏŏt′),USA pronunciation [Plant Pathol.]
- Plant Diseasesa disease of oaks and other trees and woody plants, caused by the fungus Amillariella mellea (oak′-root fun′gus,) the fruiting body of which is the honey mushroom, and characterized by rotting roots, girdling of crown, and eventual death of the tree. Also called shoestring root rot.
'oak-root rot' also found in these entries (note: many are not synonyms or translations):