闸门

闸门	zhá mén	sluice gate
闸	zhá	old variant of 闸 / sluice / lock (on waterway)
闸	zhá	sluice; sluice gate / to dam up water / (coll.) brake / (coll.) electric switch
门	Mén	surname Men
门	mén	gate; door; doorway; gateway; opening (CL:扇) / valve; switch; other door-like or gate-like structure / way to do sth; knack; method; approach / family; household; lineage / (bound form) sect; school; faction (religious or academic) / (bound form) class; category; division; phylum / classifier for courses, fields of study, branches of technology, relatives by marriage, guns etc / (suffix) -gate (scandal)