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.

noun

skeleton , undercarriage , body , case , frame