penstock /penˈstok/

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

• roast
• roast beef
• roast-beef plant
• roast-beef plants
• roasted
• roaster
• roasters
• roastie
• roasties
• roasting
• roasting jack
• roasting jacks
• roastings
• roasts
• roate
• rob
• robalo
• robalos
• robbed
• robber
• Robber Council
• robber crab
• robber crabs
• robber flies
• robber fly