call·erBrE/ˈkɔːlə(r)/NAmE/ˈkɔːlər/nounapersonwhoismakingatelephonecall打电话者◆Thecallerhungup. 打电话的人挂断了电话。◆ananonymouscaller打匿名电话的人apersonwhogoestoahouseorabuilding访问者；来访者apersonwhoshoutsoutthestepsforpeopleperformingasquare dance or country dance（方形舞或土风舞中）喊出舞步的指挥