CHASSIS

[noun] [C] [plural] chassis - the frame of a vehicle, usually including the wheels and engine, onto which the metal covering is fixedThe car's lightweight chassis is made from aluminium sheets.In the accident, the main body of the bus was ripped from the chassis and landed in an explosion of breaking glass and flying metal.A chassis is also the frame of a piece of electronic equipment, such as a radio or television, onto which the electronic parts are fixed.