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cosh 1(kŏsh) Chiefly British
A weighted weapon similar to a blackjack.
tr.v. coshed, cosh·ing, cosh·es
To attack or hit with or as if with this weapon.
[From Romani kašt, piece of wood, timber; akin to Sanskrit kāṣṭham, perhaps hypercorrection of Prakrit kaṭṭha, from earlier Indic *kr̥ṣṭa-; see sker-1 in the Appendix of Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Tools) a blunt weapon, often made of hard rubber; bludgeon
2. an attack with such a weapon
to hit with such a weapon, esp on the head
[C19: from Romany kosh, from koshter skewer, stick]
(Mathematics) hyperbolic cosine; a hyperbolic function, cosh z = (ez + e–z), related to cosine by the expression cosh iz = cos z, where i = √–1
[C19: from cos(ine) + h(yperbolic)]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
n. Chiefly Brit. Slang.
1. a blackjack; bludgeon.v.t.
2. to hit on the head with a cosh.
[1865–70; perhaps < Romany kosh, koshter stick]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Past participle: coshed
Collins English Verb Tables © HarperCollins Publishers 2011
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|Noun||1.||cosh - a piece of metal covered by leather with a flexible handle; used for hitting people|
bludgeon - a club used as a weapon
|Verb||1.||cosh - hit with a cosh, usually on the head|
hit - deal a blow to, either with the hand or with an instrument; "He hit her hard in the face"
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