1. the underside or bottom part of a vehicle, especially a car
Usage: automotive
2. the lower part of an animal’s body

Examples

• The mechanic inspected the underbody of the car for rust damage.
• Salt from winter roads can corrode a vehicle’s underbody.
• The underbody coating helps protect against corrosion.
• Birds often have lighter colored feathers on their underbody.
• The fish’s underbody was silver while its back was dark blue.
• Regular underbody washing removes accumulated dirt and debris.