waiting-list
n list of people who are waiting for service, treatment, etc that is not available now and who will receive it when it becomes available 等候者名单(等候接受服务、 治疗等的人的)
put sb on a waiting-list for theatre tickets 把某人列入等候购戏票者的名单
a hospital waiting-list, eg for operations 等候治疗者的名单(如等待做手术的).