/ˌkɔriˈɔɪdəl/; /kɔriˈɔɪdiəl/ (KY-oh-oy-DA-l)

Definitions

1. adjective

relating to or situated near the choroid, a layer of tissue in the eye between the sclera and retina.

“The ophthalmologist diagnosed a chorioidal melanoma in the patient’s eye.”