dimple

a chad that has been punched or dimpled but all four corners are still attached

any slight depression in a surface; "there are approximately 336 dimples on a golf ball"

a small natural hollow in the cheek or chin; "His dimple appeared whenever he smiled"

mark with, or as if with, dimples; "drops dimpled the smooth stream"

produce dimples while smiling; "The child dimpled up to the adults"