| Term: | Medial moraine |
| Definition: | A sediment ridge, located on a glacier's exposed ice surface, away from its valley walls, extending down glacier to the terminus. It forms by the joining of two lateral moraines when two glaciers merge. |
| Term: | Medial moraine |
| Definition: | A ridge-shaped moraine in the middle of a glacier originating from a rock outcrop, nunatak, or the converging lateral moraines of two or more ice streams. |
| Term: | Medial moraine |
| Definition: | Deposit of material found down the center of a glacier. Created when two glacier and their lateral moraines merge. |