Noun: penstock 'pen,stók
- Regulator consisting of a valve or gate that controls the rate of water flow through a sluice
"The engineer adjusted the penstock to control water flow to the turbines";
- sluicegate, sluice valve, floodgate, head gate, water gate
- Conduit that carries a rapid flow of water controlled by a sluicegate
"The penstock diverted excess water from the dam";
- sluice, sluiceway
Derived forms: penstocks
Encyclopedia: Penstock