| Term: | Arete |
| Definition: | A jagged, narrow ridge that separates two adjacent glacier valleys or cirques. The ridge frequently resembles the blade of a serrated knife. A French term referring to the bones in a fish backbone. |
| Term: | Arete |
| Definition: | Sharp topographic ridge that separates cirques on a mountain that is or has been glaciated. |
| Term: | Arete |
| Definition: | Sharp, narrow ridge formed as a result of glacial erosion from both sides. |