Definition of cog

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  • cog is a valid Scrabble US word with a point value of 6
  • cog is a valid Scrabble UK word with a point value of 6
  • cog is a valid Words with friends word with a point value of 8

Definition of cog

  • tooth on the rim of gear wheel (noun)

    Synonyms

    1. sprocket
  • a subordinate who performs an important but routine function (noun)

    Examples

    1. he was a small cog in a large machine
  • join pieces of wood with cogs (verb)
  • roll steel ingots (verb)

See definition of cog in Merriam Webster