beauty spot

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A mole or birthmark. Also called beauty mark.
2. n. A small black mark penciled or glued on a woman's face or shoulders to accentuate the fairness of her skin or to conceal a blemish. Also called beauty mark, patch¹.
3. n. A location noted for its beauty.

Century Dictionary and Cyclopedia

1. n. A patch or spot placed on the face to heighten beauty, as formerly practised by women; hence, something that heightens beauty by contrast; a foil.
2. n. An especially beautiful feature or thing.

Wiktionary

1. n. A birthmark, especially on a woman.
2. n. A place noted for its natural beauty.

GNU Webster's 1913

1. n. a patch or spot placed on the face with intent to heighten beauty by contrast.

WordNet 3.0

1. n. a spot that is worn on a lady's face for adornment