| Term: | Blow hole |
| Definition: | Opening through a snow bridge into a crevasse or system of crevasses which are otherwise sealed by snow bridges; a snowdrift usually forms on the lee side. |
| Term: | Blow hole |
| Definition: | Opening through a snow bridge into a crevasse or system of crevasses which are otherwise sealed by snow bridges. A snowdrift usually forms on the lee side. |