Drafted margin

Drafted margin

A narrow dressed border around the face of a stone, usually about the width of a chisel edge.

draft, Brit. draught

1. A current of air or gases, as an air current which flows through a flue, chimney, or heater; or a localized air current which results in more heat being withdrawn from a person’s skin than is normally dissipated. 2. A narrow, dressed border around the face of a stone, usually about the width of a chisel edge; also called a drafted margin or margin draft.