root rot

noun Plant Pathology.

a symptom or phase of many diseases of plants, characterized by discoloration and decay of the roots.
any disease so characterized.

Origin of root rot

First recorded in 1880–85 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for root rot

  • Both are associated with and are probably a cause of the root-rot of the cherry and other orchard fruits.

  • The former is more suited to the moister soils and wherever there is danger of root-rot, and the latter to the drier soils.