Her"pes (?), n. [L., fr. Gr. "e`rphs, fr. "e`rpein to creep.] (Med.) An eruption of the skin, taking various names, according to its form, or the part affected; especially, an eruption of vesicles in small distinct clusters, accompanied with itching or tingling, including shingles, ringworm, and the like; -- so called from its tendency to creep or spread from one part of the skin to another.