• synonyms


noun Chiefly British Slang.
  1. jail.
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Origin of quod

First recorded in 1690–1700; origin uncertain

quod erat demonstrandum

[kwawd e-raht dey-mawn-strahn-doo m; English kwod er-uh t dem-uh n-stran-duh m]
  1. which was to be shown or demonstrated.
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quod erat faciendum

[kwawd e-raht fah-kee-en-doo m; English kwod er-uh t fey-shee-en-duh m]
  1. which was to be done.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for quod

Historical Examples of quod

  • Than quod he: by my iudgmente, he that ought the shetes shulde haue the rynge.

    Shakespeare Jest-Books;


  • Than quod they: and for your good iudgement you shall haue the rynge.

  • Than (quod the frere to the gentylman), ye are the more fole to aske for hym.

  • Than quod the seconde: I wolde haue the breste and harte: for there lyeth her loue.

  • Why, caytese, quod the bisshoppe hastly and angrey, what be theyr names?

British Dictionary definitions for quod


  1. mainly British a slang word for jail
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Word Origin for quod

C18: of uncertain origin; perhaps changed from quad, short for quadrangle

quod erat demonstrandum

  1. (at the conclusion of a proof, esp of a theorem in Euclidean geometry) which was to be provedAbbreviation: QED
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for quod

"prison," c.1700, a cant slang word of unknown origin; perhaps a variant of quad in the "building quadrangle" sense.

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Online Etymology Dictionary, © 2010 Douglas Harper

quod in Culture

quod erat demonstrandum

[(kwawd er-aht dem-uhn-stran-duhm)]

A phrase used to signal that a proof has just been completed. From Latin, meaning “that which was to be demonstrated.”

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The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.