metallic or plastic part with two parts connected by a joint usually two flat plates, one fixed and one movable, connected by a pin or rod can be visible from the sides or from the top and bottom often used to attach a door or lid to a frame may have screws for attaching the two parts
hinge which has metallic or plastic part with two parts connected by a joint hinge which has usually two flat plates, one fixed and one movable, connected by a pin or rod hinge which can be visible from the sides or from the top and bottom hinge which often used to attach a door or lid to a frame hinge which may have screws for attaching the two parts