36 entries under course topic. ×

20
channel(noun, line, water, drain)
14
waterway(noun, water, channel, conduit)
13
canal(noun, line, water, means)
12
conduit(noun, line, water, drain)
10
aqueduct(noun, water, conduit, waterway)
9
flume(noun, water, conduit, waterway)
7
streamlet(noun, water, stream, passageway)
6
brooklet(noun, water, stream, passageway)
6
ditch(noun, drain, channel, conduit)
6
flowing stream(expression, water, stream)
6
sluice(noun, water, stream, conduit)
6
water(noun, stream, river, passageway)
5
creeks(noun, water, stream, passageway)
5
estuary(noun, water, stream, waterway)
5
river-bed(noun, water, stream, passageway)
5
runlet(noun, water, stream, passageway)
5
spillway(noun, water, stream, waterway)
5
water carrier(expression, water, stream)
5
water channel(expression, water, stream)
5
water course(expression, idiom, water, stream)
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APASmart Define. (2015). watercourse thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/watercourse/thesaurus/synonyms
ChicagoSmart Define. 2015. "watercourse thesaurus" https://smartdefine.org/watercourse/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, watercourse thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/watercourse/thesaurus/synonyms>.
MLASmart Define. "watercourse thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/watercourse/thesaurus/synonyms>