/ ˈkɔːniə; NAmE ˈkɔːrniə/ noun
( anatomy ) the transparent layer which covers and protects the outer part of the eye
—picture at eye
► cor·neal / ˈkɔːniəl; NAmE ˈkɔːrn-/ adjective [ only before noun ]:
a corneal transplant
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WORD ORIGIN
late Middle English : from medieval Latin cornea tela horny tissue, from Latin cornu horn.