| conduit(noun, drain, ditch, channel, passage) | |
| channel(noun, ditch, conduit) | |
| drain(noun, ditch, off, conduit) | |
| sewer(noun, drain, flow, channel, passage) | |
| gutter(noun, ditch, conduit) | |
| canal(noun, ditch, conduit) | |
| watercourse(noun, drain, flow, ditch, channel) | |
| aqueduct(noun, conduit) | |
| duct(noun, drain, ditch, channel, conduit) | |
| gully(noun, ditch, conduit, ravine) | |
| ditch(noun, drain, channel, conduit, tube) | |
| trench(noun, drain, channel, conduit, valley) | |
| pipe(noun, drain, ditch, channel, conduit) | |
| arroyo | |
| cloaca(noun, conduit) | |
| flume | |
| sluice(noun, conduit) | |
| waterway | |
| passage(noun, conduit) | |
| cesspit |
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| APA | Smart Define. (2015). culvert thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/culvert/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "culvert thesaurus" https://smartdefine.org/culvert/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, culvert thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/culvert/thesaurus/synonyms>. |
| MLA | Smart Define. "culvert thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/culvert/thesaurus/synonyms> |