driver - definition and synonyms

noun [countable] 

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  1. 2
    computing software that controls a piece of equipment connected to a computer

    a printer driver

  2. 3
    a long golf club with a large end for hitting the ball a long distance
     Synonyms and related words
  3. 4
    something that makes important things happen, for example in an organization or economy

    a study of technology as a driver of change in industry