ringworm ring·worm (rĭng'wûrm')
Any of a number of contagious fungal skin diseases characterized by ring-shaped scaly itching patches on the skin.
|ringworm (rĭng'wûrm') Pronunciation Key
Any of a number of contagious fungal infections of the skin, hair, or nails caused chiefly by species of the genera Microsporum, Trichophyton, and Epidermophyton. ringworm often causes scaly, itching ring-shaped patches, especially on the skin. Also called tinea.