What is the meaning of Chassis?

A base frame, or movable railway, along which the carriage of a mounted gun moves backward and forward.

The base frame of a motor vehicle.

A frame or housing containing electrical or mechanical equipment, such as on a computer.

A woman's buttocks.

window

a chassis

a chassis

Alternative form of chassi

plural of chassi

indefinite genitive singular of chassi

Source: wiktionary.org