penstock
Noun
Meaning
A close conduit or pipe for conducting water, as, to a water wheel, or for emptying a pond, or for domestic uses.
Source: Webster's dictionarySynonyms
sluice
floodgate
sluiceway
sluicegate
water gate
head gate
sluice valve
weir
dike
channel
tube
gate
lock
duct
conduit
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