zhá

sluice

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

Components
门 meaning component

  Meaning component

mén

  

door

甲 sound component

  Sound component

jiǎ

  

1st heavenly stem, fingernail

Evolution

闸 Seal script Shuowen (~100 AD)

Seal script

Shuowen (~100 AD)
闸 Clerical script Western Han dynasty (202 BC-9 AD)

Clerical script

Western Han dynasty (202 BC-9 AD)
闸 Seal script Western Han dynasty (202 BC-9 AD)

Seal script

Western Han dynasty (202 BC-9 AD)
闸 Traditional script Modern

Traditional script

Modern
闸 Simplified script Modern

Simplified script

Modern
Definitions

() 

zhá

sluice; flood gate, canal lock; gear; brake; lock (on waterway); electric switch or circuit breaker

() 

zhá

old variant of |[zhá]

Most common words with 闸
Freq.
Word
Meaning

gear

闸门

sluice gate

电闸

electric switch

气闸

airlock

闸口

open sluice gate