Mound is a term used to describe a raised area of land, often with a rounded shape. An EMBANKMENT is a long, raised structure made of earth or stone, typically built to hold back water or to support a road or railway. PROMINENCE is the quality of being prominent, or standing out from the surrounding area. SHOCK is a sudden, intense feeling of surprise or dismay. BULGE is a rounded protuberance or swelling. DRIFT is a large mass of material that has been moved by natural forces, such as wind or water. A tuffet is a low seat or stool, typically upholstered and on short legs. A HUMMOCK is a small HILL or mound of earth. HILLOCK is a small HILL or mound. PILE, HEAP, HILL, HUMP, KNOLL, and STACK are all terms used to describe a raised area of land, often with a rounded shape.