Cornea \Cor"ne*a\ (k?r"n?-?), n.; pl. {Corneas} (-?z). [Fem.
sing., fr. L. corneus horny, fr. cornu a horn. See {Horn}.]
(Anat.)
The transparent part of the coat of the eyeball which covers
the iris and pupil and admits light to the interior. See
{Eye}.
[1913 Webster]