weir

W4E1I1R1
Australia, UK/wɪə̯/US/wɪɹ/Scotland/wiːɹ/New Zealand/wiə/

noun

An adjustable dam placed across a river to regulate the flow of water downstream.

Less commonScrabble 7

Meanings

weir1

nounweir (countable and uncountable, plural weirs)

plural weirs · alternative dated wear · alternative archaic wier · alternative obsolete wyer

  1. countableAn adjustable dam placed across a river to regulate the flow of water downstream.

    The weir must not represent a physical barrier to fish migration, both locally and throughout the whole river system. If necessary, a fishway is included in the weir.

    1997, J. H. L'Abée-Lund, J. E. Brittain, “Weir construction as environmental mitigation in Norwegian hydropower schemes”, in Hydropower '97, pages 51–54
    2 more examples

    Though Hambleden's parish register records the death, in 1753, of a bargeman 'Kill'd by accident, shooting ye lock', the turbulent waters of Mill End weir on the River Thames, about a mile from the village, still attract canoeists.

    1980, AA Book of British Villages, Drive Publications Ltd, page 214, photo caption

    A walkway over the weir is likely to be useful for the removal of floating debris trapped by the weir, or for working staunches and sluices on it as the rate of flow changes.

    2010, Sathesh Gopi, Basic Civil Engineering, page 303
  2. countableA fence placed across a river to catch fish.

    The weir catch of mackerel at Monomoy and along Cape Cod has been a failure.

    1887, W. A. Wilcox, “58-New England Fisheries in May, 1886”, in Bulletin of the United States Fish Commission, volume VI, published 1886, page 191
    2 more examples

    The Taff is naturally a good salmon river, the Ely a sea trout river, but what with weirs and pollusions the fish have been pretty well exterminated.

    1879, Annual Report of the Inspectors of Salmon Fisheries, page 65

    For a spell we done pretty well. Then there came a reg'lar terror of a sou'wester same as you don't get one summer in a thousand, and blowed the shanty flat and ripped about half of the weir poles out of the sand.

    1913, Joseph C[rosby] Lincoln, chapter I, in Mr. Pratt’s Patients, New York, N.Y.; London: D[aniel] Appleton and Company, →OCLC
  3. countableobsoleteuncountableSeaweed.
verbweir (third-person singular simple present weirs, present participle weiring, simple past and past participle weired)

present singular third person weirs · participle present weiring · participle past weired · past weired · alternative dated wear · alternative archaic wier · alternative obsolete wyer

  1. To put a weir, or weirs (in a river)

Weir2

proper nounWeir (countable and uncountable, plural Weirs)

plural Weirs

  1. countableA surname.
  2. A placename.
    1. countableuncountableA village in Rossendale borough, Lancashire, England, United Kingdom (OS grid ref SD8725).
    2. countableuncountableA town and municipality in Bharatpur District, Rajasthan, India.
    3. countableuncountableAn unincorporated village in Montcalm, Les Laurentides Regional County Municipality, Quebec, Canada.
    4. countableuncountableA minor city in Cherokee County, Kansas.
    5. countableuncountableA town in Choctaw County, Mississippi.
    6. countableuncountableA minor city in Williamson County, Texas.

Origin

weir · noun, verb

  1. Proto-Indo-European*wer-“to cover”
  2. Proto-Germanic*warjaną
  3. Proto-West Germanic*warjan
  4. Old Englishwer
  5. Middle Englishwere
  6. Englishweir

From Middle English were, from Old English wer, from werian (“to dam up”), from Proto-West Germanic *warjan, from Proto-Germanic *warjaną, from Proto-Indo-European *wer- (“to cover”); Cognate with Old Norse ver (“station for fishing”), Sanskrit वृणोति (vṛṇóti). Related to warranty.

Full word history & related roots →

Weir · proper noun

  1. Normande la Were“of the war”
  2. EnglishWeir

* As an English and Scottish surname, from the noun weir. Compare Wear, Ware. * Sometimes also a French surname, perhaps a version of Norman de la Were (“of the war”), see Warr. There is also the placename Wierre-au-Bois in Pas-de-Calais. * As an Irish surname, shortened and Anglicized from Mac an Mhaoir (“son of the steward”), see McNair. Also sometimes Anglicized from erroneous translations of names such as Ó Corra, Ó Comhraidhe, see Corr and Curry.

Full word history & related roots →

Translations

Arabic هَدَّار
  • هَدَّار (haddār)adjustable dam
Bulgarian прели́вник, яз
  • прели́вник (prelívnik)adjustable dam
  • яз (jaz)fence to catch fish
Catalan resclosa
  • resclosaadjustable dam
Czech jez
  • jezadjustable dam
Danish overløb
  • overløbadjustable dam
Dutch weer, stuw
  • weeradjustable dam
  • stuwadjustable dam
  • overlaatadjustable dam
  • visweerfence to catch fish
Esperanto vejro
  • vejroadjustable dam
Estonian kalatõke
  • kalatõkefence to catch fish
Finnish säännöstelypato, ylivuotopato
  • säännöstelypatoadjustable dam
  • ylivuotopatoadjustable dam
  • kalapatofence to catch fish
French seuil, écrille
  • seuiladjustable dam
  • écrillefence to catch fish
  • bordiguefence to catch fish
German Wehr, Fischwehr
  • Wehradjustable dam
  • Fischwehrfence to catch fish
Hawaiian pākolokolo
  • pākolokoloadjustable dam
Irish cora
  • coraadjustable dam
Italian stramazzo, cateratta
  • stramazzoadjustable dam
  • caterattaadjustable dam
Japanese 堰, 梁漁
  • 堰 (seki)adjustable dam
  • 梁漁 (yanaryou)fence to catch fish
Māori ahuriri, ahuriri
  • ahuririadjustable dam
  • ahuririfence to catch fish
  • rauirifence to catch fish
  • rauwirifence to catch fish
Norwegian Bokmål overløp, demning
  • overløpadjustable dam
  • demningadjustable dam
Persian ورغ
  • ورغ (varġ)adjustable dam
Polish jaz, jaz
  • jazadjustable dam
  • jazfence to catch fish
Portuguese comporta, caniçado
  • comportaadjustable dam
  • caniçadofence to catch fish
Russian водосли́в
  • водосли́в (vodoslív)adjustable dam
Scottish Gaelic cairidh, eileach
  • cairidhadjustable dam
  • eileachadjustable dam
  • cairidhfence to catch fish
  • eileachfence to catch fish
Slovak hať
  • haťadjustable dam
Spanish compuerta, vertedero
  • compuertaadjustable dam
  • vertederoadjustable dam
  • aliviaderoadjustable dam
  • corral de pescafence to catch fish
  • represa pesquerafence to catch fish
  • pesquerafence to catch fish
Swedish regleringsdamm
  • regleringsdammadjustable dam
Thai ฝาย
  • ฝาย (fǎai)adjustable dam
Vietnamese đăng
  • đăngadjustable dam
Welsh cored, cored
  • coredadjustable dam
  • coredfence to catch fish

Rhymes & wordplay

Rhymes with weir

All rhymes →

Sounds the same

Wearwe'rewarewear (both cheer–chair merger)Wearwe'rewarewear (both cheer–chair merger)

Anagrams

Cite this entry
APA

weir. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/weir

MLA

“weir.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/weir. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “weir,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/weir.

Source: weir on Wiktionary, CC BY-SA 4.0.