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weir Synonyms
Another word for weir
Choosing another word for weir depends on context, so the synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
• noun (Context 1)
A low dam built across a river to raise the level of water upstream, regulate its flow, or divert it into a millrace.
Usage Example
"The environmental engineers designed a stepped dam to control the river's seasonal flow while allowing local fish to migrate upstream."
Strongest
dam
Strong
barrage
milldam
Weak
sluice
• noun (Context 2)
An enclosure or fence of stakes, nets, or branches set in a stream, river, or coastal waters to trap fish.
Usage Example
"Archaeologists discovered the remains of an ancient tidal fish-trap where indigenous fishermen once trapped salmon as the tide receded."
Strongest
fish-trap
Strong
kiddle
fyke
Cite this Entry
Wordmom. (2026). Synonyms for Weir. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/weir