scarp
noun
[ skɑːp ]
• a very steep bank or slope; an escarpment.
• "the north face is a very steep scarp"
scarp
verb
• cut or erode (a slope or hillside) so that it becomes steep, perpendicular, or precipitous.
• "the scarped edge of the central plateau"
Origin:
late 16th century (with reference to fortification): from Italian scarpa .