What is the meaning of Dimple?

A small depression or indentation in a surface.

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

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

To create a dimple in.

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

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

Source: wiktionary.org