From Longman Dictionary of Contemporary Englishldoce_156_ahingehinge1 /hɪndʒ/ noun [countable] 
TBTDa piece of metal fastened to a door, lid etc that allows it to swing open and shut
TBTDa piece of metal fastened to a door, lid etc that allows it to swing open and shutExamples from the Corpus
hinge• The gate seemed strong and solid, with four big hinges set into the stone.• The punctured door was carried from its hinges and borne into the room.• She had locked the screen, he knew, to keep the wind from catching it and tearing it off its hinges.• Then unscrew all opening sash hinges of old windows.• The right panel dangled from its upper hinge, swaying slightly, its rusted hinge producing a soft, musical squeak.hingehinge2 verb [transitive] to attach something using a hingeGrammar Hinge is usually passive. —hinged a hinged lid → hinge on/upon something→ See Verb tableExamples from the Corpus
hinge• Willis described the elements of the culture of the shop floor as being hinged around the execution of hard work.• They think all relationships hinge in the middle.• As promised, none of our recommendations hinge on huge capital investments.• When I opened the frame I found, as I expected, that the drawing had been hinged with masking tape.Origin hinge1 (1200-1300) Probably from an unrecorded Old English hencg, from hon; HANG1 