24 entries under waterway topic. ×

20
channel(noun, line, water, course, drain)
13
canal(noun, line, water, course, means)
13
stream(noun, line, path, channel, river)
12
conduit(noun, line, water, course, drain)
10
aqueduct(noun, water, course, conduit)
10
course(noun, water, means, current, flood)
9
brook(noun, current, flood, stream, river)
9
creek(noun, current, flood, stream, river)
9
flume(noun, water, course, conduit)
9
river(noun, stream, river, brook)
7
culvert(noun, ditch, conduit)
7
drain(noun, channel, off, conduit)
6
ditch(noun, course, drain, channel, conduit)
6
gully(noun, drain, flow, ditch, channel)
6
gutter(noun, drain, flow, ditch, channel)
6
sluice(noun, water, course, stream, conduit)
5
estuary(noun, water, course, stream)
5
spillway(noun, water, course, stream)
4
chute(noun, water, course, stream)
0
trench(noun, course, drain, channel, rack)
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APASmart Define. (2015). watercourse thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/watercourse/thesaurus/synonyms
ChicagoSmart Define. 2015. "watercourse thesaurus" https://smartdefine.org/watercourse/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, watercourse thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/watercourse/thesaurus/synonyms>.
MLASmart Define. "watercourse thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/watercourse/thesaurus/synonyms>