10 entries under trench topic. ×

14
waterway(noun, water, course, channel, conduit)
7
drain(noun, channel, off, conduit, waterway)
2
moat(noun, drain, channel, conduit, rack)
1
dike(noun, drain, bank, channel, barrier)
0
excavation
0
mine
-1
cut(noun, channel)
-3
gulley(noun, channel)
-4
chase(means, channel, medium, conduit)
-4
furrow(means, channel, medium, conduit, rack)
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APASmart Define. (2015). watercourse thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/watercourse/thesaurus/synonyms
ChicagoSmart Define. 2015. "watercourse thesaurus" https://smartdefine.org/watercourse/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, watercourse thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/watercourse/thesaurus/synonyms>.
MLASmart Define. "watercourse thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/watercourse/thesaurus/synonyms>