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engine

 
Noun engine has 3 senses
  1. engine - motor that converts thermal energy to mechanical work
    --1 is a kind of
    motor
    --1 has parts:
     camshaft; gearing, gears, geartrain, power train, train
    --1 has particulars:
     aircraft engine; automobile engine; auxiliary engine, donkey engine; generator; heat engine; reaction-propulsion engine, reaction engine
  2. engine - something used to achieve a purpose; "an engine of change"
    --2 is a kind of
    causal agent, cause, causal agency
  3. locomotive, engine, locomotive engine, railway locomotive - a wheeled vehicle consisting of a self-propelled engine that is used to draw trains along railway tracks
    --3 is a kind of self-propelled vehicle
    --3 is a member of train, railroad train
    --3 has parts: fender, buffer, cowcatcher, pilot; footplate
    --3 has particulars:
     choo-choo; diesel locomotive; dinky, dinkey; electric locomotive; iron horse; pilot engine; shunter; steam locomotive; switch engine, donkey engine; tank engine, tank locomotive; traction engine
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