sluice

noun
1
a sliding gate or other device for controlling the flow of water out of or into a canal, etc.
وسیله تنظیم جریان, دریچه آب, دروازه کشویی
verb
1
to wash something with a stream of water
شستن با آب جاری, آبکشی کردن
2
to flow somewhere in large quantities
جاری شدن, سرازیر شدن
Rain was sluicing down.
Water came sluicing out of the house.