#gate  a door-like movable barrier in a fence or wall
  supertype:  movable_barrier__movablebarrier  a barrier that can be moved to allow passage
  subtype:  head_gate  lock-gate  lychgate  portcullis  postern  tailgate  tail_gate  tollgate  turnpike  turnstile  wicket_door
  instance:  Dipylon_gate
  part:  flexible_joint__hinge  a joint that holds two parts together so that one can swing relative to the other
     part:  pintle  a pin or bolt forming the pivot of a hinge
  part:  lock.holdfast  a fastener fitted to a door or drawer to keep it firmly closed
     part:  deadbolt__bolt  the part of a lock that is engaged or withdrawn with a key
     part:  keyhole  the hole where a key is inserted
     part:  tumbler.obstructor  a movable obstruction in a lock that must be adjusted to a given position (as by a key) before the bolt can be thrown

No statement uses or specializes gate; click here to add one.