A rocky outcrop; a rugged steep cliff or rock.
A rough, broken fragment of rock.
A partially compacted bed of gravel mixed with shells, of the Pliocene to Pleistocene epochs.
A cliff at the edge of a plateau or ridge caused by erosion or faulting; the steeper side of an escarpment.
The steep artificial slope below a fort's parapet.
to cut, scrape, erode, or otherwise make into a scarp or escarpment