#key  metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated
  supertype:  device  an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
  subtype:  ignition_key  passkey
  part:  shank.cylinder__stem  cylinder forming a long narrow part of something

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