Definition of weir in English:

weir

Line breaks: weir
Pronunciation: /wɪə
 
/

noun

  • 1A low dam built across a river to raise the level of water upstream or regulate its flow.
    More example sentences
    • Reduced river flows, brought about by the construction of dams, weirs and water diversions, compound the problem.
    • Upstream of the weir the River Wharfe was glassy smooth with rising trout and cruising ducks, down river the water boiled amongst the smooth white rocks.
    • The Derwent at Sutton is also worth a visit, with plenty of roach showing in the deeper water upstream of the weir.
  • 1.1An enclosure of stakes set in a stream as a trap for fish.
    More example sentences
    • Fishermen use weirs, traps, gill nets, and dip nets for alewives, which they consider one of the easiest fish to catch.
    • Trouble began in the spring of 1816 when Judge Cooper built a weir, a fish trap, across the St. Jones River to catch migrating shad and herring.
    • Men are responsible for line and weir fishing, hunting, gardening, and the felling of trees.

Origin

Old English wer, from werian 'dam up'.

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a small amount; a little