3
flume
3
moat
3
pore
3
spout
2
aboideau
2
bar
2
beaver dam(expression, idiom, hindrance)
2
block(noun, hindrance)
2
conduit
2
door
2
dyke
2
egress
2
emunctory
2
exit
2
fish weir(expression, idiom)
2
opening
2
port
2
portcullis
2
sea wall(expression, idiom, hindrance)
2
spillway
11 years ago|3.4k views|share |citing 
APASmart Define. (2015). weir thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/weir/thesaurus/synonyms
ChicagoSmart Define. 2015. "weir thesaurus" https://smartdefine.org/weir/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, weir thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/weir/thesaurus/synonyms>.
MLASmart Define. "weir thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/weir/thesaurus/synonyms>