| Term: | Floe |
| Definition: | Any relatively flat, isolated piece of sea ice 65 ft (= 20 m) or more across. Floes are subdivided according to horizontal extent as follows: GIANT: over 5.5 n mi (10 km) VAST: 1-5.5 n mi (2-10 kin) MEDIUM: 110-550 yd (100-500 m) SMALL: 22-110 yd (20-100 m) |