There are 3 main definitions of cog in English:

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cog1

Syllabification: cog
Pronunciation: /käɡ
 
/

noun

1A wheel or bar with a series of projections on its edge that transfers motion by engaging with projections on another wheel or bar.
Example sentences
  • It is up to him to sacrifice himself, no longer the hub of Arsenal's wheel, but a cog in the machine.
  • Your thumb pushes the lever forward to achieve a lower gear (a bigger cog / smaller chainring).
  • This sort of regulation has induced stereotyped thinking in most officers, who themselves became cogs in the mechanically streamlined military machine.
1.1Each of the projections on a cog.
Example sentences
  • ‘We're obviously proud every time Germany wins and like to think we're making a small contribution as small cogs in the big wheel,’ he said.
  • ‘What we are doing won't change the world but it's a small cog in a big wheel,’ he explained.
  • Is it really the duty of a minor cog in a big wheel to take a stand and risk the consequences?

Origin

Middle English: probably of Scandinavian origin and related to Swedish kugge and Norwegian kug.

Phrases

a cog in the (or a) machine (or wheel)

1
A small or insignificant member of a larger organization or system: copywriters have been seen as just a cog in the big advertising machine
More example sentences
  • Running your own organisation is a big change from just being a cog in the machine.
  • His colleagues said he was being treated like "a cog in a machine".
  • I don't like being a cog in the machine.

Derivatives

cogged

1
adjective
Example sentences
  • Engines had a cogged pinion wheel that engaged the rack, helping them climb the slopes.
  • The number one solution to the problem is to give the odd number of cogged wheels a half-twist, thus reversing the parity of the system and allowing all of the gears to turn.
  • Any closed-circle arrangements of interlocked cogged wheels must have an even number of wheels, if it is to operate.

Words that rhyme with cog

agog, befog, blog, bog, clog, dog, flog, fog, frog, grog, hog, Hogg, hotdog, jog, log, nog, prog, slog, smog, snog, sprog, tautog, tog, trog, wog

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There are 3 main definitions of cog in English:

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cog2

Line breaks: cog

Entry from British & World English dictionary

noun

A broadly built medieval ship with a rounded prow and stern.

Origin

Middle English: related to Middle Dutch kogge, Old French cogue.

Definition of cog in:

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There are 3 main definitions of cog in English:

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cog3

Line breaks: cog

Entry from British & World English dictionary

verb

[with object] Irish informal
Copy (someone else’s work) illicitly or without acknowledgement: he’s away cogging his homework from Aggie’s wee girl

Origin

mid 16th century (in senses 'practise tricks in throwing dice' and 'cheat'): of unknown origin.

Definition of cog in:

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