Definition of Sclerodactyly

Sclerodactyly: Localized thickening and tightness of the skin of the fingers or toes. Sclerodactyly is commonly associated with atrophy of the underlying soft tissues.

The term "sclerodactyly" is made up of "sclero-" from the Greek "skleros" meaning hard and "-dactyly" from the Greek "daktylos" meaning finger or toe = hard fingers or toes.