ringworm

noun

1. (uncountable, usually)A contagious fungal infection of the skin, characterized by ring-shaped discolored patches, covered by vesicles or scales.

   “In superficial mycoses infection is localised to the skin, the hair, and the nails. An example is ringworm or tinea, an infection of the skin by a dermatophyte.”

   “Many of these natives, especially the lower classes, and fishermen, have their skins disfigured in a singular manner, by a sort of scurfy disease, similar to the ring-worm, or rather to a person whose skin was peeling off from the effects of the sun.”