penstock /penˈstok/

1. A sluice
2. (in a hydroelectric or other plant) a valve-controlled water conduit

• hailer
• hailers
• hail-fellow
• hail-fellow-well-met
• hail from
• hailier
• hailiest
• hailing
• hail Mary
• hail Marys
• hails
• hailshot
• hailshots
• hailstone
• hailstones
• hailstorm
• hailstorms
• hail the dules
• haily
• hain
• hainch
• hained
• haining
• hainings
• hains