閘 (zhá) means “gear”. The 閘 stroke order has 13 strokes; the animation above shows them one at a time. Its radical is 门. To practise how to write 閘, open writing practice; to hear how to pronounce 閘, use the pronunciation trainer.
Words with 閘
闸 — zhá, gear; brake; sluice; lock (on waterway); electric switch or circuit breaker