from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A weighted weapon similar to a blackjack.
  • transitive v. To attack or hit with or as if with this weapon.
  • abbr. hyperbolic cosine

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The symbol of the hyperbolic function hyperbolic cosine.
  • n. A weapon made of leather-covered metal similar to a blackjack.
  • n. Any of various sorts of blunt instrument such as bludgeon, truncheon or the like) (ref. 1991 edition of Chambers's Dictionary)
  • n. The symbol of the hyperbolic function hyperbolic cosine.

from the GNU version of the Collaborative International Dictionary of English

  • n. a piece of leather-covered metal with a flexible handle; used for hitting people.
  • v. .
  • transitive v. to hit (someone) with a cosh or similar bludgeon, usually on the head.

from The Century Dictionary and Cyclopedia

  • Neat; snug; quiet; comfortable.
  • n. A cottage; a hovel.
  • n. The husk of corn.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. hit with a cosh, usually on the head
  • n. a piece of metal covered by leather with a flexible handle; used for hitting people


Perhaps from Romany kosh, stick.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Probably from Romani košter (stick) (Wiktionary)



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  • ""I've said too much," she said, flustered. "It's the sherry, you see. Alf always says as 'ow sherry coshes the guard what's supposed to be keepin' watch on my tongue.""
    The Weed That Strings the Hangman's Bag by Alan Bradley, p 275

    May 10, 2010

  • I'm really confused. She is talking houses, sionnach is talking theories-from-Uranus and WeirdNET just wants a bit o' good ol' biff.

    July 11, 2008

  • Not to mention the hyperbolic cosine function. For which, oddly enough, the relationship holds that:

    cosh (x) = cos (ix)

    The value of the hyperbolic cosine is defined to be:

    e^argument + e^-argument

    The trajectory described by the function is that of a catenary. Other names that have been given to the curve are chainette (French) and funicular curve.
    The curve traces the shape taken by a (perfect, uniform) flexible and inextensible chain between two supports, as result of gravity. Galileo was wrong in supposing this curve is the parabola.

    July 11, 2008

  • Also, a hut, or small cottage.

    July 11, 2008