Chassis

n.	1.	(Mil.) A traversing base frame, or movable railway, along which the carriage of a barbette or casemate gun moves backward and forward. [See Gun carriage.]
	2.	The under part of an automobile or other motor vehicle, consisting of the frame (on which the body is mounted) with the wheels and machinery.

Noun	1.	chassis - alternative names for the body of a human being; "Leonardo studied the human body"; "he has a strong physique"; "the spirit is willing but the flesh is weak" Synonyms: bod, human body, material body, physical body, physique, build, figure, flesh, anatomy, frame, shape, soma, form
	2.	chassis - a metal mounting for the circuit components of an electronic device
	3.	chassis - the skeleton of a motor vehicle consisting of a steel frame supported on springs that holds the body and motor

backing, base, baseboard, basement, bearing, bushing, cabinet, cadre, case, casement, casing, console, dado, doorframe, fabric, foot, footing, foundation, frame, framework, framing, housing, infrastructure, keel, lattice, latticework, mopboard, mount, mounting, nadir, picture frame, radio, radio receiver, radio set, radio telescope, receiver, receiving set, sash, set, setting, shell, shoemold, skeleton, sole, toe, underframe, wainscot, window case, window frame, wireless, wireless set