chassis

باللغة العربية: شَاصِي، هَيْكَل

1. The base frame of a vehicle, such as a motor vehicle. · Coordinate term: coachwork· Near-synonym: undercarriage
2. A frame or housing containing electrical or mechanical equipment, such as on a computer.
3. A base frame, or movable railway, along which the carriage of a mounted gun moves backward and forward.
4. A woman's buttocks. (slang)

الجمع chassis