Definition, Meaning & Synonyms

cog

noun
/kɒɡ/
Definition
A cog is a gear or wheel with a series of projecting teeth that engage with other cogs to transmit motion or force.
Examples
  • The clock’s cog system ensures that each hand moves at the correct speed.
  • He designed a new cog that increased the efficiency of the machine.
  • In the factory, each cog plays a crucial role in the assembly line.
Meaning
Cogs are essential components in machinery that help in the transfer of energy or movement. They are often used in mechanical devices to turn one motion into another.
Synonyms
  • gear
  • wheel
  • tooth
  • pinion