2
breaker
2
cashbox
2
cloaca(noun, conduit)
2
corrugation(noun, groove)
2
course
2
crest
2
culvert
2
dingle(gorge, vale)
2
exit
2
failure(noun, low, collapse, depression, recession)
2
front
2
gash
2
hose(noun, cylinder, conduit, tube)
2
impression(noun, depression, hollow, scrape, indentation)
2
incision(noun, depression, hollow, scrape, indentation)
2
line(noun, channel, cylinder, groove, tube)
2
main(noun, line, drain, means, ditch)
2
rifle
2
roll
2
scoop
11 years ago|12k views|share |citing 
APASmart Define. (2015). trough thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/trough/thesaurus/synonyms
ChicagoSmart Define. 2015. "trough thesaurus" https://smartdefine.org/trough/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, trough thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/trough/thesaurus/synonyms>.
MLASmart Define. "trough thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/trough/thesaurus/synonyms>