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Related to butt hinge: hinged
A hinge composed of two plates attached to abutting surfaces of a door and door jamb and joined by a pin.
(Building) a hinge made of two matching leaves, one recessed into a door and the other into the jamb so that they are in contact when the door is shut. sometimes shortened to butt1
a hinge for a door or the like, secured to the butting surfaces rather than to the adjacent sides of the door and its frame.