noun. a highly vascular membrane in the eye between the retina and the sclera; a dark pigmentation minimizes the scattering of light inside the eye.
1. Noun, singular or mass The ciliary body is a triangularly-shaped structure that extends from the front end of the choroid toward the iris. 2. Adjective Your opthalmologist may choose to inspect or run some tests on a suspicious or new choroid nevus.
