1. the lower parts or undersides of vehicles, especially the chassis and components beneath the main body
Usage: automotive
2. the lower or underneath parts of objects or structures

Examples

• The mechanic inspected the underbodies of all the cars for rust damage.
• Salt from winter roads can corrode the underbodies of vehicles.
• The underbodies of the aircraft were checked before takeoff.
• Workers applied protective coating to the underbodies of the new trucks.
• The underbodies of the boats showed signs of wear from the rocky shore.
• Engineers designed better underbodies to improve aerodynamics.