(1):

(n.) A steep descent or declivity.

(2):

(n.) The slope of the ditch nearest the parapet; the escarp.

(3):

(n.) A band in the same position as the bend sinister, but only half as broad as the latter.

(4):

(v. t.) To cut down perpendicularly, or nearly so; as, to scarp the face of a ditch or a rock.