Synonyms|94Antonyms|0|Broader|2Narrower|0Related|36
8
floodgate
8
sluice(noun, conduit)
5
head gate(noun, expression, idiom)
5
lock(noun, conduit)
5
sluicegate
5
water gate(noun, expression, idiom, conduit)
4
gutter(noun, conduit)
4
sluice gate(expression, idiom)
3
channel(noun, conduit)
3
conduit(noun, conduit)
3
sluice valve(noun, expression, idiom)
3
sluiceway
3
trough
3
weir(noun, conduit)
2
aboideau
2
dike(noun, conduit)
2
duct
2
flume(noun, conduit)
1
air lock
1
airlock
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ChicagoSmart Define. 2015. "penstock thesaurus" https://smartdefine.org/penstock/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, penstock thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/penstock/thesaurus/synonyms>.
MLASmart Define. "penstock thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/penstock/thesaurus/synonyms>