siphon² also 又作 syphonv [T] 1 to remove liquid from a container using a siphon 用虹吸管抽吸 2 to secretly take money from an organization over a period of time 私自抽取〔钱款〕,挪用: siphon sth off/from He had been steadily siphoning money from his employer's account. 他一直偷偷地从老板的账户里挪用资金。