Mort, n.
1. Death; esp., the death of game in the chase.
2. A note or series of notes sounded on a horn at the death of game.
The sportsman then sounded a treble mort. --Sir W. Scott.
3. The skin of a sheep or lamb that has died of disease. [Prov. Eng. & Scot.]
Mort cloth, the pall spread over a coffin; black cloth indicative or mourning; funeral hangings. --Carlyle.
Mort stone, a large stone by the wayside on which the bearers rest a coffin. [Eng.] --H. Taylor.