chassis

(noun) alternative names for the body of a human being. Synonyms: human body, physical body, material body, soma, build, figure, physique, anatomy, shape, bod, frame, form, flesh. Examples: "Leonardo studied the human body." "He has a strong physique." "The spirit is willing but the flesh is weak."

(noun) a metal mounting for the circuit components of an electronic device.

(noun) the skeleton of a motor vehicle consisting of a steel frame supported on springs that holds the body and motor.