泄洪闸

sluice-gate / flood discharge valve

to leak (of water or gas) / to drip / to drain / to discharge / to leak out / to divulge (secrets) / to give vent (to anger, spite etc) / to disperse / to reduce

variant of 泄[xie4]

to release flood water / flood discharge

surname Hong

flood / big / great

old variant of 閘|闸[zha2] / sluice / lock (on waterway)

gear / brake / sluice / lock (on waterway) / electric switch or circuit breaker