What is "berms"

Usage examples of "berms".

There was plenty of work to do, particularly after snowfalls when the grounds had to be cleared and defensible berms built, but Morik managed to avoid most of it by feigning an injury from the battle that had brought them here.

In the midst of the colored haze, the prefab buildings, protruding from their russet soil berms, were silver-gray cardboard outlines.