There are 3 definitions of cog in English:

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.
More 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.
More 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)

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

adjective
More 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.

Definition of cog in:

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There are 3 definitions of cog in English:

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:

There are 3 definitions of cog in English:

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: