oar — Rivers and Lakes oar /ɔːr/ noun CEFR A2 A long pole used to row a boat. “He used an oar to row the boat.” Related words in this scene bridgeswimwavefloatwetwaterriverlakefishboatbankstreampondfishermannetpaddlecurrentdeepshallowsplashflowdamwaterfallcanoefinscalereedshoreripplepebbledrift Practice this word Create worksheet