n.
 a movable joint or mechanism by which a door, gate, or lid opens and closes or which connects linked objects.
v.
 (hinges, hingeing or hinging, hinged)
  - attach or join with or as if with a hinge.
 - 
(hinge on)
 depend entirely on.
 
 
  Derivative
  
  Etymology
  ME henge; rel. to hang.