The crossword solution for the term PLACE FOR AN IRIS is UVEA, which is a four-letter word. Uvea is the medical term for the middle layer of the eye, which is also known as the uveal tract or uveal layer. It is composed of the iris, ciliary body, and choroid. The iris is the colored part of the eye that controls the amount of light entering the eye. The ciliary body is responsible for controlling the shape of the lens and the production of aqueous humor. The choroid is a layer of blood vessels that nourishes the retina. Together, these three components form the uvea, which is the place for an iris.