dimple

(noun) a chad that has been punched or dimpled but all four corners are still attached. Synonyms: dimpled chad, pregnant chad.

(noun) any slight depression in a surface. Example: "There are approximately 336 dimples on a golf ball."

(noun) a small natural hollow in the cheek or chin. Example: "His dimple appeared whenever he smiled."

(verb) mark with, or as if with, dimples. Example: "Drops dimpled the smooth stream."

(verb) produce dimples while smiling. Example: "The child dimpled up to the adults."