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View synonyms for

cog

1

[ kog, kawg ]

noun

  1. a gear tooth, formerly especially one of hardwood or metal, fitted into a slot in a gearwheel of less durable material.
  2. a person who plays a minor part in a large organization, activity, etc.:

    He's just a small cog in the financial department.



verb (used without object)

cogged, cogging.
  1. (of an electric motor) to move jerkily.

verb (used with object)

cogged, cogging.
  1. to roll or hammer (an ingot) into a bloom or slab.

cog

2

[ kog, kawg ]

verb (used with object)

cogged, cogging.
  1. to manipulate or load (dice) unfairly.

verb (used without object)

cogged, cogging.
  1. to cheat, especially at dice.

cog

3

[ kog, kawg ]

noun

  1. Carpentry. (in a cogged joint) the tongue in one timber, fitting into a corresponding slot in another.
  2. Mining. a cluster of timber supports for a roof. Compare chock ( def 4 ).

verb (used with or without object)

cogged, cogging.
  1. Carpentry. to join with a cog.

cog.

4

abbreviation for

  1. cognate.

cog

1

/ ɒɡ /

noun

  1. any of the teeth or projections on the rim of a gearwheel or sprocket
  2. a gearwheel, esp a small one
  3. a person or thing playing a small part in a large organization or process
“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

verb

  1. tr metallurgy to roll (cast-steel ingots) to convert them into blooms
“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

cog

2

/ ɒɡ /

verb

  1. slang.
    to cheat (in a game, esp dice), as by loading a dice
“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

cog

3

/ ɒɡ /

noun

  1. a tenon that projects from the end of a timber beam for fitting into a mortise
“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

verb

  1. tr to join (pieces of wood) with cogs
“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
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yvlog History and Origins

Origin of cog1

First recorded in 1200–50; Middle English cogge, probably from a North Germanic language; compare Swedish kugge, Norwegian kugg “cog”; akin to German Kugel “bullet, ball, shot,” Old English cycgel ( cudgel ( def ) )

Origin of cog2

First recorded in 1525–35; origin uncertain

Origin of cog3

1855–60; special use of cog 1; replacing cock in same sense, special use of cock 1 (in sense of projection); coak
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yvlog History and Origins

Origin of cog1

C13: of Scandinavian origin; compare Danish kogge, Swedish kugge, Norwegian kug

Origin of cog2

C16: originally a dice-playing term, of unknown origin

Origin of cog3

C19: of uncertain origin
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Idioms and Phrases

  1. slip a cog, to make a blunder; err:

    One of the clerks must have slipped a cog.

More idioms and phrases containing cog

In addition to the idiom beginning with cog , also see slip a cog .
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Example Sentences

Examples have not been reviewed.

It feels like we have been invited inside Hancock's brain and are seeing the cogs turn.

From

Matt’s faith rests in his assumption that constitutionally established justice cogs usually work as they should.

From

He will become another cog in their plans to repeat as World Series champions next season.

From

Her "feminine" approach, which Zuckerberg seems so ashamed of now, focused on making employees feel valued and acknowledging that workers are full human beings, not just cogs.

From

Opening and closing is done with eight large cogs, 1m in diameter, four on each side, which rotate.

From

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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