From Longman Dictionary of Contemporary EnglishRelated topics: Waterweirweir /wɪə $ wɪr/ noun [countable]TTWTBa low fence or wall that is built across a river or stream to control the flow of water, or to make a pool where people can catch fishExamples from the Corpusweir• Once this fall was likened to a giganticweir, its crest a straight line between GoatIsland and the oppositeshore.• She spelledweir, a fence set in a stream to trap fish.• Kelston for good nets of roach, chub, perch and odd bream from pegs below the weir.• Steer clear of the weir, safer to fish from the pier.• On the Avon, some of the weirsdate back 1,000 years and are in urgent need of restoration.• Pooh sticks and a plasticclipper, first to the weir.• A trust has restored three weirs already, and plans are under way to rebuild another seven.• Roach and dace on Listers upstream of Topcliffe weir.OriginweirOld Englishwer
