lake oxbow lake A lake which is formed when a wide meander from a stream or a river is cut off to form a lake. They are called oxbow lakes due to the distinctive curved shape that results from this process. FTT:221 https://en.wikipedia.org/wiki/Oxbow_lake FTT:903 ENVO ENVO:00000202 Geonames:H.LKO TGN:21139 EcoLexicon:ox-bow_lake