Ice, mass of is a term used to describe large masses of ice that are found in nature. A berg (4 letters) is a large piece of floating ice, usually found in the ocean. A CALF (4 letters) is a smaller piece of floating ice, also found in the ocean. A GLACIER (7 letters) is a large mass of ice that is found on land, usually in mountainous regions. A FLOE (4 letters) is a sheet of floating ice, often found in the Arctic and Antarctic regions. An ICEBERG (7 letters) is a large piece of floating ice, usually found in the ocean. A serac (5 letters) is an irregularly shaped block of ice found on glaciers.