Weir
WordNet

noun


(1)   A low dam built across a stream to raise its level or divert its flow
(2)   A fence or wattle built across a stream to catch or retain fish
WiktionaryText

Etymology


, akin to Old Norse , a station for fishing.

Noun



  1. an adjustable dam placed across a river to regulate the flow of water downstream
  2. a fence placed across a river to catch fish
 
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