weir

noun
\ˈwer, ˈwir \

Definition of weir 

(Entry 1 of 2)

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

Weir

biographical name
\ˈwir \

Definition of Weir (Entry 2 of 2)

Robert Walter 1803–1889 American painter

Examples of weir in a Sentence

Recent Examples on the Web: Noun

King catches elsewhere in the Valley have been almost nonexistent; as of Thursday, Oslund said only six fish had been counted past the Little Susitna River weir. Matt Tunseth, Anchorage Daily News, "Here are the best bets for sportfishing in Southcentral Alaska this holiday weekend," 26 May 2018 Officials said that a new weir, or low dam, built outside the cave was helping to keep water levels relatively stable within. New York Times, "8 Saved, 5 to Go in Thai Cave Rescue," 9 July 2018 On the Deshka River, a tributary of the Susitna, about 4,200 kings made it past a weir as of Thursday morning. Zaz Hollander, Anchorage Daily News, "From bad to worse: State announces more king salmon fishing shutdowns for Susitna Valley," 22 June 2018 Other projects back on the funding track include Southeast and Togiak herring research, westward salmon weirs, Southeast sablefish research and Prince William Sound Tanner crab. Laine Welch, Anchorage Daily News, "Funding for Alaska’s commercial fisheries division in good shape, with $300K going to chinook project," 29 Apr. 2018 With water releases stopped, the lake quickly filled to capacity and water began flowing over a concrete weir that serves as an emergency spillway. CBS News, "Heavy rain in Northern California may test spillway at nation's tallest dam," 6 Apr. 2018 With water releases stopped, the lake quickly filled to capacity and water began flowing over a concrete weir that serves as an emergency spillway. Fox News, "California storm may test spillway at nation's tallest dam," 6 Apr. 2018 The control structure is a concrete weir that parallels the river for a mile and a half. Littice Bacon-blood, NOLA.com, "10 things to know about the Bonnet Carre Spillway before it's opened Thursday," 7 Mar. 2018 The water eroded the barren hillside beneath the concrete, leading to fears the weir would collapse and release a 40-foot wall of water that would swamp communities and destroy levies for miles downstream. CBS News, "Heavy rain in Northern California may test spillway at nation's tallest dam," 6 Apr. 2018

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.

See More

First Known Use of weir

Noun

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

History and Etymology for weir

Noun

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.

Keep scrolling for more

Learn More about weir

Dictionary Entries near weir

weiner

Weinmannia

weinschenkite

weir

Weir

weir basin

weir box

Statistics for weir

Last Updated

31 Aug 2018

Look-up Popularity

Time Traveler for weir

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

See more words from the same century

Keep scrolling for more

More Definitions for weir

weir

noun

English Language Learners Definition of weir

: a low wall or dam built across a stream or river to raise the level of the water or to change the direction of its flow

Keep scrolling for more

More from Merriam-Webster on weir

See words that rhyme with weir

Spanish Central: Translation of weir

Britannica.com: Encyclopedia article about weir

Comments on weir

What made you want to look up weir? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

evasion of direct action or statement

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!