| Term: | Crater |
| Definition: | Glaciers in and / or on volcano craters; Network of glacier encompassing the summit at the outward flanks; Occurring in extinct or dormant volcanic craters which rise above the regional snow line (WGMS 1970); Occurring in and /or on volcanic craters (WGMS 1977); Occurring in extinct or dormant volcanic craters (WGMS 1998) |