berm

A narrow ledge or shelf, as along the top or bottom of a slope.

A raised bank or path, especially the bank of a canal opposite the towpath.

The big canals in Europe, in Holland, have a great big berm on the side of the canal several feet wide, which they leave there on purpose to plant reeds in, so as to get a reedy vegetation to protect their slope. Then, beyond that, there is an earthen slope that is grassed and sodded.

One of the flat terraces on the slope of an open-pit mine.

A terrace or shelf of sand along a beach, formed above the high tide water level by wave action.

On some beaches, the berm grows higher in summer and flattens out in the rougher winter seas.

A long mound or bank of earth, used especially as a barrier or to provide insulation.

A berm separates the Moroccan-controlled and Polisario-controlled parts of Western Sahara.

To provide something with a berm