Ditch wall

• Inner wall of a trench
• A steep artificial slope in front of a fortification
• Steep embankment
• Wall of a moat
• Part of a rampart
• Inclination
• Walled side of a ditch

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Escarp \Es*carp"\, v. t. [imp. & p. p. Escarped ; p. pr. & vb. n. Escarping .] (Mil.) To make into, or furnish with, a steep slope, like that of a scrap. --Carleton.

WordNet Word definitions in WordNet
n. a steep artificial slope in front of a fortification [syn: escarpment , scarp , protective embankment ]

Wiktionary Word definitions in Wiktionary
n. The side of the ditch next to the parapet in a fortification; the scarp. vb. (context transitive English) To make into, or furnish with, a steep slope, like that of a scarp.