fin — Rivers and Lakes fin /fɪn/ noun CEFR A2 A flat part on a fish's body used for swimming. “The fish moves its fin to swim.” Related words in this scene bridgeswimwavefloatwetwaterriverlakefishboatbankstreampondfishermannetoarpaddlecurrentdeepshallowsplashflowdamwaterfallcanoescalereedshoreripplepebbledrift Practice this word Create worksheet
