dam — Rivers and Lakes dam /dæm/ noun CEFR A2 A wall built across a river to stop or control water. “The dam holds back the river water.” Related words in this scene bridgeswimwavefloatwetwaterriverlakefishboatbankstreampondfishermannetoarpaddlecurrentdeepshallowsplashflowwaterfallcanoefinscalereedshoreripplepebbledrift Practice this word Create worksheet