COSH
blackjack, cosh, sap
(noun) a piece of metal covered by leather with a flexible handle; used for hitting people
cosh
(verb) hit with a cosh, usually on the head
Source: WordNet® 3.1
Etymology 1
Noun
cosh (plural coshes)
A weapon made of leather-covered metal similar to a blackjack.
A blunt instrument such as a bludgeon or truncheon.
(UK, education, slang, dated) The cane.
Verb
cosh (third-person singular simple present coshes, present participle coshing, simple past and past participle coshed)
(transitive) To strike with a weapon of this kind.
Etymology 2
Symbol
cosh
(trigonometry) The symbol of the hyperbolic function hyperbolic cosine.
Etymology 3
Adjective
cosh (comparative more cosh, superlative most cosh)
(Scotland) cosy; snug
Anagrams
• CHOs, COHs, Chos, OHCs, SOHC, Sohc
Source: Wiktionary