weir

noun
\ ˈwer How to pronounce weir (audio) , ˈwir How to pronounce weir (audio) \

Definition of weir

1 : a fence or enclosure set in a waterway for taking fish
2 : a dam in a stream or river to raise the water level or divert its flow

Examples of weir in a Sentence

Recent Examples on the Web Early Saturday morning, firefighters completed a defensive burnout on the west side of the East Fork of the Andreafsky River to protect equipment and structures near a fish weir — a fence placed in flowing water to direct the movement of fish. Mark Thiessen, Anchorage Daily News, 12 June 2022 Early Saturday morning, firefighters completed a defensive burnout on the west side of the East Fork of the Andreafsky River to protect equipment and structures near a fish weir — a fence placed in flowing water to direct the movement of fish. Mark Thiessen, ajc, 11 June 2022 Firefighters were also working to protect structures on the east side of the weir, as well as fortifying a fire line a half mile outside St. Mary’s. Mark Thiessen, Anchorage Daily News, 12 June 2022 Firefighters were also working to protect structures on the east side of the weir, as well as fortifying a fire line a half mile (800 meters) outside St. Mary’s. Mark Thiessen, ajc, 11 June 2022 After some dispute, community members agreed to remove the weir in order to return the lagoon to a saltwater body and encourage its use by native birds. Joshua Emerson Smith, San Diego Union-Tribune, 21 Jan. 2022 Buena Vista Lagoon, located between Oceanside and Carlsbad, has been slowly transformed by a weir, or low dam, into a freshwater marsh. Joshua Emerson Smith, San Diego Union-Tribune, 21 Jan. 2022 Plans for the restoration were delayed for several years by a long-standing disagreement over whether the weir should be removed. Phil Diehl, San Diego Union-Tribune, 28 Dec. 2021 Standing near a weir that was collecting and discharging water from a stream, with sensors to detect the flow and water chemistry, Driscoll explained what came next. James Bruggers, The Courier-Journal, 5 Jan. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'weir.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of weir

before the 12th century, in the meaning defined at sense 1

History and Etymology for weir

Middle English were, going back to Old English wer, going back to Germanic *wera- (whence Old Saxon wer, werr "fish trap, dam," Middle High German wer, Old Norse ver "fishing place"), derivative of an Indo-European verb stem *u̯er- "halt, check, avert," whence, from an iterative derivative *u̯or-ei̯e-, Germanic *warjan- (whence Old English werian "to ward off, protect," Old Saxon, "to hinder, prevent," Old High German weren, werren "to hinder, defend," Old Norse verja "to defend, guard," Gothic warjan "to hinder, forbid"); and, with other ablaut derivatives, Greek érymai, érysthai "to ward off, protect, save," Sanskrit vṛṇoti "(s/he) obstructs, prevents"

Note: See note at aperient.

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The first known use of weir was before the 12th century

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Last Updated

10 Jul 2022

Cite this Entry

“Weir.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/weir. Accessed 18 Aug. 2022.

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More Definitions for weir

Weir biographical name

\ ˈwir How to pronounce Weir (audio) \

Definition of Weir

Robert Walter 1803–1889 American painter

More from Merriam-Webster on weir

Thesaurus: All synonyms and antonyms for weir

Britannica.com: Encyclopedia article about weir

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