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Word of the Day Tuesday, June 9, 2026

weir

/weɪər/ noun · British & US
Valid in UKValid in US
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What does weir mean?

noun

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."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for weir

Rhymes with weir

Etymologically related