zhá​mén

sluice gate

闸门 閘門 zhá​mén
sluice gate
A gate or valve used to control the flow of water in a lock or pipe; a throttle valve.
gate
(Taiwan) A physical barrier, gate, or checkpoint used to control the passage of people, vehicles, or livestock.

Frequency

Movie subtitles
1.40 per million appears in 1% of films
Written text
2.77 per million

Sources