Cog

usgb/kɑːɡ/
noun

A gear or part of a machine which helps it to work.

The cogs in a clock help it keep accurate time.
Visual representation of "cog" - A gear or part of a machine which helps it to work

Often appears as...

  • cog in the machine
  • cog in the wheel

Usage tips

Technical

Definition 1 of 2
Visual representation of "cog"
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Physical Object

Cog refers to the physical gears inside machines and devices.

Illustration for Physical Object
When you open the back of a watch, you can see the tiny cogs working together.
LampPro Tip 2/3

Essential Role

Each cog is crucial for the overall function, much like pieces of a puzzle.

Illustration for Essential Role
If one cog breaks, the entire mechanism could stop working.
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Mechanical Context

Cog is usually used in contexts related to machinery or mechanics.

Illustration for Mechanical Context
The engineer explained how the cogs transfer motion within the engine.
Visual representation of the word "Cog"

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