In fortification, a word sometimes used for berm (which see).
With the help of the ladder they ascended the berm and measured the height of the wall.
BERM (probably a variant of “brim”), a narrow ledge of ground, generally the level banks of a river.
In parts of Egypt the whole area reached by the Nile is included in the berm.
The minimum breadth of the berm was laid down as three feet.
"And you're directly responsible to the company for that berm construction," broke in Burford hotly.
A pioneer swam across, hauled over a cable, and made it fast to the hedge on the berm.