Definition of cornea noun from the Oxford Advanced American Dictionary

 

cornea

 noun
noun
NAmE//ˈkɔrniə//
 
(anatomy)
 
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the transparent layer which covers and protects the outer part of the eye
NAmE//ˈkɔrniəl//
 
adjective [only before noun] a corneal transplant
See the Oxford Advanced Learner's Dictionary entry: cornea