1
headrace
1
irrigation ditch
1
kennel(noun, conduit)
1
main
1
moat(noun, conduit)
1
nullah
1
river bed
1
riverway
1
runnel
1
shallot
1
sough(noun, conduit)
1
spillbox
1
spillway
1
stream bed
1
streambed
1
streamway
1
swash
1
swash channel
1
tailrace
1
trough
11 years ago|4.9k views|share |citing 
APASmart Define. (2015). culvert thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/culvert/thesaurus/synonyms
ChicagoSmart Define. 2015. "culvert thesaurus" https://smartdefine.org/culvert/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, culvert thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/culvert/thesaurus/synonyms>.
MLASmart Define. "culvert thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/culvert/thesaurus/synonyms>