| 单词 | cosh |
| 释义 | cosh cosh1 /kosh/, Chiefly Brit. Slang. n. 1. a blackjack; bludgeon. v.t. 2. to hit on the head with a cosh. [1865-70; perh. < Romany kosh, koshter stick] cosh2 /kosh/, n. Math. hyperbolic cosine. [1870-75; COS(INE) + H(YPERBOLIC)] |
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