开闸 kāizhá to open a sluice gate Origin Definitions Defs Strokes Stroke Words Sentences Sents 开 開 kāi verbparticle to open to open; to unfold; to unseal; (of flowers) to bloom; to carve or cut open闸 閘 zhá noun sluice gate (bound form) sluice gate; floodgate; a water control facility used to adjust water flow; formerly a river tax station