A sloping wall of brick-work, or any other attainable material, supporting the outer face of the rampart, and lining the side of the ditch.
·vt A facing of wood, stone, or any other material, to sustain an embankment when it receives a slop...
Webster's Dictionary of the English Language
In fortification, that form of retaining wall for the face of a rampart which is only carried up as ...
The Sailor's Word-Book
In fortification, that form of retaining wall which is carried right up to the top of the mass retai...