The coping of the scarp wall, which projects beyong the face of the wall a few inches.
The coping or top course of a scarp or a rampart, sometimes of different colored stone and set proud from the rest of the wall. Designed to keep the wall from weathering. The point where a rampart stops and a parapet begins. An open line of troops surrounding an objective.
A projecting course along the junction of a parapet and scarp forming a junction for the change in building materials and an obstacle to scaling the wall.