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Meaning of cosh

cosh

Pronunciation: (kosh), [key]
— Chiefly Brit. Slang. Chiefly Brit. Slang.
—n.
  1. a blackjack; bludgeon.
—v.t.
  1. to hit on the head with a cosh.

cosh

Pronunciation: (kosh), [key]
— n. Math.
  1. hyperbolic cosine.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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