Definition of "cosh"

• noun

• The symbol of the hyperbolic function hyperbolic cosine.

• A weapon made of leather-covered metal similar to a blackjack.

• Any of various sorts of blunt instrument such as bludgeon, truncheon or the like) (ref. 1991 edition of Chambers's Dictionary).

• The symbol of the hyperbolic function hyperbolic cosine.



• Sources
• Wiktionary, Creative Commons Attribution/Share-Alike License

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