serpiginous

noun Pathology.

1. (formerly) a creeping or spreading skin disease, as ringworm.

noun

1. pathol any progressive skin eruption, such as ringworm or herpes

adj.

1. Relating to or being a cutaneous lesion, such as an ulcer, having an arciform border and a wavy margin.

n.

1. Any creeping or serpiginous eruption.