The crossword solution for the term 'Iris Rings' is 'Areolas'. Areolas are the pigmented area around the nipples of the breasts. They are typically darker than the surrounding skin and can vary in size and shape from person to person. In addition, they can also be found around the eyes, nose, and mouth. The term 'Iris Rings' is often used to refer to the dark circles that appear around the iris of the eye.