flap — Birds flap /flæp/ verb CEFR A2 To move wings quickly up and down. “The duck began to flap its wings.” Related words in this scene flychickwingnestfeatherowlduckbeaksingpeacockparroteaglesparrowswanpigeoncrowrobinhawkhatchtalonflockmigrateperchhootquacktweetbirdcagebirdhousesoarpeck Practice this word Create worksheet