Definitions

zhá old variant of 閘|闸[zhá]; sluice; lock (on waterway)
zhá sluice; sluice gate; to dam up water; (coll.) brake; (coll.) electric switch

Etymology

Phonosemantic compound. represents the meaning and represents the sound. Simplified form of .

Semantic: Phonetic:

About

The traditional character 閘, structured with the gate radical 門 and the component 甲, originally referred to a sluice gate designed to control water flow in canals or rivers. Its simplified form 闸 maintains the same basic composition, substituting the traditional gate radical with its simplified variant 门 while keeping 甲. From this foundational sense of a hydraulic control mechanism, the meaning of 闸 broadened to include analogous devices that regulate or halt movement, such as brakes in mechanical systems and switches or circuit breakers in electrical contexts.

Etymology Hide

Seal etymology image
Seal Shuowen (~100 AD)
Clerical etymology image
Clerical Western Han dynasty (202 BC-9 AD)
Seal etymology image
Seal Western Han dynasty (202 BC-9 AD)
Traditional Modern
Simplified Modern

Example Sentences Hide

请打开那个水

Qǐng dǎkāi nàge shuǐzhá.

Please open that sluice gate.

门需要维修。

Zhámén xūyào wéixiū.

The gate needs maintenance.

洪水前关闭了所有水

Hóngshuǐ qián guānbìle suǒyǒu shuǐzhá.

All sluice gates were closed before the flood.

工程师设计了新的门系统。

Gōngchéngshī shèjìle xīn de zhámén xìtǒng.

The engineer designed a new gate system.

由于电故障,整个大楼断电了。

Yóuyú diànzhá gùzhàng, zhěnggè dàlóu duàndiàn le.

Due to a circuit breaker failure, the entire building lost power.

他们用门调节水库的水位。

Tāmen yòng zhámén tiáojié shuǐkù de shuǐwèi.

They use gates to regulate the water level of the reservoir.

在紧急情况下,必须立即启动安全

Zài jǐnjí qíngkuàng xià, bìxū lìjí qǐdòng ānquán zhá.

In emergency situations, the safety brake must be activated immediately.

通过精确控制门的开合,可以有效地管理灌溉网络。

Tōngguò jīngquè kòngzhì zhámén de kāihé, kěyǐ yǒuxiào dì guǎnlǐ guàngài wǎngluò.

By precisely controlling the opening and closing of the gates, the irrigation network can be managed effectively.