![underbody underbody](https://www.tekportal.net/wp-content/uploads/2018/11/underbody.jpg)
noun, plural un·der·bod·ies.
- the bottom or underneath part, as of a mechanism or animal: the underbody of a tank.
- Nautical. the portion of a hull that is normally underwater.
noun plural -bodies
- the underpart of a body, as of an animal or motor vehicle