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Definitions of engine
  1. noun
    a wheeled vehicle consisting of a self-propelled engine that is used to draw trains along railway tracks
  2. noun
    an instrument or machine that is used in warfare, such as a battering ram, catapult, artillery piece, etc.
    "medieval engines of war"
    type of:
  3. noun
    motor that converts thermal energy to mechanical work
    type of:
  4. noun
    something used to achieve a purpose
    "an engine of change"
Examples of engine
  • "medieval engines of war"
  • "an engine of change"
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