noun Download 🔗Share An adjustable dam placed across a river to regulate the flow of water downstream. Examples : "The engineer adjusted the height of the weir to ensure the farmers downstream received enough water for their crops. " environment technology architecture utility geography structure device Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A fence placed across a river to catch fish. Examples : "The fishermen built a weir across the stream to trap the migrating salmon. " fish environment agriculture structure device Chat with AIVocabulary GamePractice Reading