shuǐ​zhá

lock

水闸 (水閘) shuǐ​zhá
lock noun
An enclosure in a canal or river with gates at each end, used for raising or lowering boats between different water levels.
sluice noun
A movable gate or structure used to control the flow or level of water, such as a floodgate or water gate.

Frequency

Movie subtitles
0.240 per million appears in 0% of films
Written text
0.929 per million

Sources

Definitions
CC-CEDICT