COSH Definition & Meaning | Dictionary.com

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cosh

[ kosh ]

Phonetic (Standard)IPA

noun

a blackjack; bludgeon.

verb (used with object)

to hit on the head with a cosh.

cosh

[ kosh ]

Phonetic (Standard)IPA

noun

Mathematics.

hyperbolic cosine.

cosh

/ ��ɒʃ /

noun

a blunt weapon, often made of hard rubber; bludgeon
an attack with such a weapon

verb

to hit with such a weapon, esp on the head

cosh

/ ˈkɒsˈeɪtʃ; ��ɒʃ /

noun

hyperbolic cosine; a hyperbolic function, cosh z = 1 2 (e z + e –z ), related to cosine by the expression cosh i z = cos z, where i = √–1

cosh

Abbreviation of hyperbolic cosine

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�y��vlog History and Origins

Origin of cosh¹

First recorded in 1865–70; of uncertain origin; perhaps from Romani kosh, koshter “piece of wood,stick,” akin to Sanskrit ��ṣṭ�󲹳�

Origin of cosh²

First recorded in 1870–75; cos(ine) + h(yperbolic)

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�y��vlog History and Origins

Origin of cosh¹

C19: from Romany kosh, from koshter skewer, stick

Origin of cosh²

C19: from cos ( ine ) + h ( yperbolic )

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Example Sentences

Examples have not been reviewed.

Councils have been under the cosh when it comes to funding, with growing demand for services like social care, support for children with special educational needs and disabilities, and housing.

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Everton have been under the cosh a lot this year and it's good to see him step up.

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Australia had been under the cosh for seven or eight minutes but hadn’t conceded and went into the break 7-3 down.

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A 69-year-old man who armed himself with a wooden cosh and joined a "mob" which took part in the destruction of the library was jailed on Thursday for two years and eight months.

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She told the BBC: "She felt under the cosh... No support was offered to her whatsoever."

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