5
trench(noun, conduit)
5
vessel(noun, channel, cylinder, pipe, tube)
4
artery(noun, channel, conduit)
4
spout(noun, break, opening, drain, channel)
4
strait
4
tunnel(noun, course, means, race, beam)
4
vent(noun, break, opening, beam, passage)
4
watercourse(noun, channel, conduit, pipe)
4
way(noun, conduit)
3
adit
3
epithelial duct(noun, expression, idiom)
3
hose(noun, cylinder, conduit, pipe, tube)
2
arroyo
2
dike(noun, conduit)
2
egress
2
emunctory
2
exit(opening, fan, passage, vent, outlet)
2
flume
2
funnel(noun, channel, conduit, pipe)
2
gastrointestinal
11 years ago|7.1k views|share |citing 
APASmart Define. (2015). duct thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/duct/thesaurus/synonyms
ChicagoSmart Define. 2015. "duct thesaurus" https://smartdefine.org/duct/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, duct thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/duct/thesaurus/synonyms>.
MLASmart Define. "duct thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/duct/thesaurus/synonyms>