30 entries under opening topic. ×

55
channel(noun, sound, line, water, thing)
36
passageway(noun, water, course, flume)
9
passage(noun, sound, line, way, course)
8
pipe(noun, thing, course, means)
6
tube(noun, line, thing, way)
4
gully(noun, ditch, channel, pit)
4
vessel(noun, channel, cylinder, pipe)
3
way(noun, conduit)
2
adit(noun, conduit)
2
fistula
2
main(noun, course, drain, means)
2
ostium
2
thoroughfare
2
tunnel
1
adjutage
1
ajutage
1
funnel
1
gut
1
mine(channel, trench)
1
path
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APASmart Define. (2015). canal thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/canal/thesaurus/synonyms
ChicagoSmart Define. 2015. "canal thesaurus" https://smartdefine.org/canal/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, canal thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/canal/thesaurus/synonyms>.
MLASmart Define. "canal thesaurus" 8 May 2015. Web. 26 September 2026. <https://smartdefine.org/canal/thesaurus/synonyms>