penstock
noun
- a gate or sluice used in controlling the flow of water
- ☆ a tube or trough for carrying water to a water wheel
See penstock in American Heritage Dictionary 4
(pĕnˈstŏkˌ)
noun- A sluice or gate used to control a flow of water.
- A pipe or conduit used to carry water to a water wheel or turbine.
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