What does 闸 (zhá) mean in English?

Card 3268HSK Level 43268/3571
CARD3268
PROGRESS92%
闸
閘
zhá
brake(Noun)
Click to reveal
← Previous↑ DeckNext →

Reveal: Click/Space/Enter/↑↓/w/s/j/k•Navigate: ←→/h/l/a/d