Real Dictionary

dimple
countable noun: A dimple is a small hollow in someone's cheek or chin, often one that you can see when they smile.

dimple in American English
a small, natural hollow on the surface of the body, as on the cheek or chin
to make dimples in
to show or form dimples
intransitive verb: to form or show dimples
noun: a small, natural hollow area or crease, permanent or transient, in some soft part of the human body, esp. one formed in the cheek in smiling
transitive verb: to mark with or as if with dimples; produce dimples in

dimple in British English
noun: a small natural dent or crease in the flesh, esp on the cheeks or chin
verb: to make or become dimpled