Dint (noun)

1. A dent or indentation, especially one made by a blow.
2. A mark or impression made by a blow or pressure.

Origin:

From middle english dint, meaning "a blow or a hit".

Examples:

1. The car had a dint in the door from where it had been hit.
2. The helmet had a dint in it from where it had been hit.
3. The apple had a dint where it had been bitten.
4. The metal tray had dints from where it had been dropped.
5. The wall had a dint where someone had kicked it.