Ictus

In old English law. A stroke or blow from a club or stone; a bruise, contusion or swelling produced by a blow from a club or stone, as distinguished from "plaga," (a wound.) Fleta, lib. 1, c. 41, § 3.

— Ictus orbis. In medical jurisprudence. A maim, a bruise, or swelling; any hurt without cutting the skin. When the skin is cut, the injury is called a "wound." Bract, lib. 2, tr. 2. cc. 5, 24.