A bench or terrace between two slopes [proper usage]. A levee, shelf, ledge, or bench along a stream bank that may extend laterally into the channel to partially obstruct the flow, or parallel to the flow to contain the flow within its stream banks. May be natural or man-made. Vegetated or paved embankment, somewhat dike-like in appearance, used for enclosure and separation purposes [usage common to landscape architecture].
Selected berm links:
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