Weir

A weir is a low dam built across a river or stream to raise the water level upstream or to regulate water flow. This structure can be constructed from various materials such as concrete, stone, or timber, and is often used for purposes like irrigation, flood control, and creating a habitat for aquatic wildlife. Additionally, weirs are commonly used in hydropower generation to direct water flow through turbines, allowing for the conversion of flowing water into electricity.

Weir meaning with examples

• During our hike along the river, we stopped to admire a charming stone weir that slowed the water flow, creating a serene swimming spot for local wildlife. The gentle sound of splashing water contributed to the peaceful atmosphere, making it a perfect place for a picnic while soaking in nature’s beauty.
• The engineers presented their plans for a new weir designed to divert excess rainwater away from local neighborhoods. This structure would help prevent flooding during heavy storms, providing a vital control mechanism for managing the river’s flow and protecting the community from natural disasters.
• As part of the conservation efforts, a team of biologists installed a fish ladder near the weir to allow species to migrate upstream. This initiative aims to restore the natural ecosystem by facilitating the movement of fish populations, which is crucial for their reproductive cycles and overall health.
• While visiting the old mill, I learned how water flowed over the weir to generate power for grinding grain. The large wooden structure, covered in moss, reflected the historical significance of water-driven machinery and how vital it was for local communities in centuries past.