underseal
/ˈʌndərˌsil/
noun
- A protective coating applied to the underside of a vehicle to prevent rust and corrosion.
- He bought a can of underseal to spray on the chassis of his jeep.
- The mechanic recommended applying underseal to protect the car from winter salt.
- Old trucks often need a fresh layer of underseal every few years.
Synonyms
verb
- To apply a protective coating to the underside of a vehicle.
- The garage will underseal your truck for a reasonable fee.
- We decided to underseal the car before the rainy season started.
- He learned how to underseal his own motorcycle to save money.