3 entries under passage topic. ×

14
conduit(noun, drain, ditch, channel)
9
sewer(noun, drain, flow, channel)
8
watercourse(noun, drain, flow, ditch, channel)
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APASmart Define. (2015). culvert thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/culvert/thesaurus/synonyms
ChicagoSmart Define. 2015. "culvert thesaurus" https://smartdefine.org/culvert/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, culvert thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/culvert/thesaurus/synonyms>.
MLASmart Define. "culvert thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/culvert/thesaurus/synonyms>