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Abbreviation: cosh  kósh
  1. (maths) hyperbolic cosine
Noun: cosh  kósh
  1. A piece of metal covered by leather with a flexible handle; used for hitting people
    - blackjack, sap
Verb: cosh  kósh
  1. Hit with a cosh, usually on the head

Derived forms: coshed, coshing, coshes

Type of: bludgeon, hit

Encyclopedia: Cosh