Noun:

1. a surreptitious informant;

   "the president wanted to know who the leakers were"
   

leakv.渗；漏；泄露n.漏洞；泄露leaking air漏风leak signal泄漏信号leak of ore跑矿leaker test漏渗试验Leakesvillen.利克斯维尔(在美国；西经 88º34' 北纬 31º09')leaking dose泄漏剂量leak circuit漏泄电路leak or loss[经] 泄漏或损失leak throughvt.渗透leak word of泄漏 ... 的消息