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"
human,
human being,
homo,
man any living or extinct member of the family Hominidae characterized by superior intelligence, articulate speech, and erect carriage
person a human being; "there was too much for one person to do"
chassis -
A base frame, or movable railway, along which the carriage of a mounted gun moves backward and forward.
chassis -
The base frame of a motor vehicle.
chassis -
A frame or housing containing electrical or mechanical equipment, such as on a computer.
Wikipedia
A chassis consists of an internal framework that supports a man-made object. It is analogous to an animal's skeleton. An example of a chassis is the under part of a motor vehicle, consisting of the frame (on which the body is mounted) with the wheels and machinery.