13 entries under line topic. ×

17
channel(noun, break, water, way)
15
conduit(noun, way, course, drain)
13
canal(noun, way, means, track)
10
passage(noun, way, course, opening)
10
tube(noun, way, drain, means)
9
aqueduct(noun, way, means, track)
7
sewer(noun, way, drain, means)
7
course(noun, path, channel, conduit)
7
main(noun, course, means, route)
6
trough(noun, depression, course, drain)
1
avenue(way, opening, means, trail)
1
cable(channel, tube, canal)
0
trunk
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APASmart Define. (2015). duct thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/duct/thesaurus/synonyms
ChicagoSmart Define. 2015. "duct thesaurus" https://smartdefine.org/duct/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, duct thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/duct/thesaurus/synonyms>.
MLASmart Define. "duct thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/duct/thesaurus/synonyms>