1. the frame and mechanical parts of a motor vehicle, on which the body is mounted
Usage: commonly used in automotive contexts
2. the structural framework of an electronic device, such as a radio, television, or computer
Usage: technical usage

Examples

• The mechanic inspected the chassis for rust and damage.
• A new chassis was installed on the vintage car during restoration.
• The truck's chassis is reinforced to handle heavy loads.
• The television's chassis houses all the internal circuitry.
• Engineers designed a lightweight chassis to improve fuel efficiency.