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English definition of “cosh”

cosh

noun [C] uk   /kɒʃ/ us    /kɑːʃ/ UK (US blackjack)
a short, heavy stick made of metal or rubber, used as a weaponHand weaponsHandguns and rifles

cosh

verb [T] uk   /kɒʃ/ us    /kɑːʃ/ UK
to hit someone with a cosh: He was coshed outside the pub.Hitting and beatingPunishing by causing pain
(Definition of cosh from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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