dimple

A small depression or indentation in a surface.

The accident created a dimple in the hood of the car.

The garden pool's dark surface […] breaks into dimples small and bright.

Specifically, a small natural depression on the skin, especially on the face near the corners of the mouth.

You have very cute dimples.

A small depression, made with a punch on a metal object, as a guide for further drilling.

To create a dimple in.

The hailstorm dimpled the roof of our car.

To create a dimple in one's face by smiling.

The young girl dimpled in glee as she was handed a cupcake.

To form dimples; to sink into depressions or little inequalities.

And smiling eddies dimpled o'er the main.