| Term: | Tongue |
| Definition: |
A projection of the ice edge up to several km in length caused by wind and current; usually forms when a valley glacier moves very quickly into a lake or ocean. NSIDCCryosphere
(1) The lower, elongate part of a valley glacier or outlet glacier. (2) A floating extension of a glacier or ice stream, laterally unconfined but markedly longer than wide. IHPGlacierMassBalance A projection of the ice edge up to several miles (kilometers) in length, caused by wind or current. WMOSeaIce Sea ice terminology meaning an extension of the ice edge up to several kilometres in length, caused by wind or current. ECCCanada A projection of the ice edge up to several km in length caused by wind and current. SPRI GCW |