What does weir mean?
A structure built across a river or stream to raise the water level for irrigation, power generation, or other purposes. A weir can also refer to a natural or artificial barrier in a river or stream that causes the water to back up and form a pool.
Example
"The construction of a weir on the river helped to increase the water level and provide a steady supply of water for the nearby town."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.