es·carp 
(ĭ-skärp)
(ĭ-skärp)n.
1. A steep slope or cliff; an escarpment.
2. The inner wall of a ditch or trench dug around a fortification.
tr.v. es·carped, es·carp·ing, es·carps
1. To cause to form a steep slope.
2. To furnish with an escarp.
[French escarpe, from Italian scarpa; see SCARP.]