chassis
chas.sis \'shas-e-, 'chas-\ \-e-z\ n or chas.sis [F cha^ssis, fr. (assumed) VL capsicum, fr. L capsa box -] pl more at CASE 1: the frame upon which is mounted the body (as of an automobile or airplan e), the working parts (as of a radio), the barrel and other recoiling parts (of a cannon), or the roof, walls, floors, and facing (as of a building) 2: the frame and working parts as opposed to the body (as of an automobile) or cabinet (as of a radio or television set)