Lewis & Short

herpes, ētis, m., = ἕρπης.

  1. I. A cutaneous eruption that creeps and spreads, Plin. 26, 14, 87, § 145; and perh. Lucil. ap. Non. 117, 22, where others read herpestica (in Cels. 5, 28, 3, written as Greek).
  2. II. Herpes quoque animal a Graecis vocatur, quo praecipue sanantur quaecumque serpunt, Plin. 30, 13, 39, § 116.