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 等候者名單(等候接受服務、 治療等的人的)
put sb on a waiting-list for theatre tickets 把某人列入等候購戲票者的名單
a hospital waiting-list, eg for operations 等候治療者的名單(如等待做手術的).