| Term: | Glacier pothole |
| Definition: | Potholes formed at the bottom of glaciers through erosion caused by sand and gravel in melt-water; melt-water seeps through crevasses in the glaciers, sometimes forming whirlpools; at the bottom of the glacier, the water is under very high pressure, leading to erosion of underlying rocks. |
| Term: | Glacier pothole |
| Definition: | A deep and more or less vertical hole in a glacier. Glacier pot-holes drain away surface melt-water. |