[{"Bold_text": "noun", "List Items": ["Automotive.the frame, wheels, and machinery of a motor vehicle, on which the body is supported.", "Ordnance.the frame or railway on which a gun carriage moves backward and forward.", "the main landing gear of an aircraft; that portion of the landing gear that supports an aircraft.", "Radio and Television.a frame for mounting the circuit components of a radio or television set.", "a construction forming the sides, top, and bottom of a cabinet, showcase, or the like."]}]