DictionarychassisSupporting framework
noun

chassis

SHAS-ee/ˈʃæsi/

The framework supporting the main components of a vehicle or piece of equipment.

The car's exposed chassis connects the frame rails, crossmembers, and four wheels.

A stripped automobile rolling chassis: two parallel steel frame rails joined by crossmembers, front and rear axles with exactly four wheels attached at four corners.
Etymology

The case or box root combines with a collective ending to name a framework. English used the word for window frames and gun-carriage bases before applying it to a vehicle’s supporting frame.

In context

Rare Car Storys17:40
yet matched the rigidity of the steel chassis used in earlier GT40s. Unlike the Mark 1 and Mark 2 GT40s, with their steel chassis and suspension brackets welded directly to the frame
The Ford v Ferrari Movie LIED — CarKraft, Ed Hull & The Scandal They Erased

More examples

  • The engine mounts directly to the chassis.
  • A metal chassis supports the electronic components.
  • Both vehicles use similar chassis.

Forms

chassis

Similar words

body
A vehicle body encloses occupants or cargo; the chassis is its supporting framework.