#passkey__passe-partout__passepartout__master_key__master  key that secures entrance everywhere
  supertype:  key  metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated
  subtype:  latchkey  passkey for raising or drawing back a latch (especially on an outside door)
  subtype:  skeleton_key  a passkey with much of the bit filed away so that it can open different locks

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