noun🔗ShareAn adjustable dam placed across a river to regulate the flow of water downstream."The engineer adjusted the height of the weir to ensure the farmers downstream received enough water for their crops. "environmenttechnologyarchitectureutilitygeographystructuredeviceChat with AIVocabulary GamePractice Reading
noun🔗ShareA fence placed across a river to catch fish."The fishermen built a weir across the stream to trap the migrating salmon. "fishenvironmentagriculturestructuredeviceChat with AIVocabulary GamePractice Reading
