|
|
 |
|
|
|
|
| po·lar cap (plural po·lar caps) |
noun |
|
| Definition: |
| |
1. icy area around poles: the area around either the North Pole or South Pole that is permanently covered in ice
|
2. polar icecap on Mars: either of the two polar regions on Mars that are permanently covered with frozen carbon dioxide and water
|
|
|
|