The term 'Nipple Ring' is a type of body piercing, which involves the piercing of the nipple and the wearing of a ring. The crossword solution for this term is 'Areola', which is the pigmented area around the nipple. Areola is typically darker than the surrounding skin and is usually circular in shape. It is important to note that the piercing of the nipple should only be done by a professional piercer, as it can be dangerous if done incorrectly.