Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun weir

2 senses of weir

Sense 1
weir -- (a low dam built across a stream to raise its level or divert its flow)
       => dam, dike, dyke -- (a barrier constructed to contain the flow of water or to keep out the sea)

Sense 2
weir -- (a fence or wattle built across a stream to catch or retain fish)
       => fence, fencing -- (a barrier that serves to enclose an area)