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Weir vs Orifice - What's the difference?

weir | orifice |

As a noun orifice is

a mouth or aperture, as of a tube, pipe, etc; an opening; as,.

weir

English

Noun

(en noun)
  • An adjustable dam placed across a river to regulate the flow of water downstream.
  • * 1997 , J. H. L'Abée-Lund & J. E. Brittain, "Weir construction as environmental mitigation in Norwegian hydropower schemes", Hydropower '97 , pages 51-54.
  • The weir' must not represent a physical barrier to fish migration, both locally and throughout the whole river system. If necesary, a fishway is included in the ' weir .
  • * 2010 , Sathesh Gopi, Basic Civil Engineering , page 303
  • 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.
  • A fence placed across a river to catch fish.
  • * 1887 , W. A. Wilcox, "58-New England Fisheries in May, 1886", Bulletin of the United States Fish Commission , volume VI, for 1886, page 191
  • The weir catch of mackerel at Monomoy and along Cape Cod has been a failure.
  • *
  • , title= Mr. Pratt's Patients, chapter=1 , passage=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.}}

    Coordinate terms

    * (adjustable dam) dam, sluice

    orifice

    English

    Noun

    (en noun)
  • A mouth or aperture, as of a tube, pipe, etc.; an opening; as,
  • * the orifice of an artery or vein
  • * the orifice of a wound