Definition of retina noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈretɪnə//
; NAmE NAmE//ˈretənə//
(pl. retinas, retinae
BrE BrE//ˈretɪniː//
; NAmE NAmE//ˈretəniː//
jump to other results
a layer of tissue at the back of the eye that is sensitive to light and sends signals to the brain about what is seen See related entries: Face Word Origin late Middle English: from medieval Latin, from Latin rete ‘net’.
See the Oxford Advanced American Dictionary entry: retina