Adjacent Words

Cornea definitions

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Webster's 1828 Dictionary

CORNEA, n. [L., a horn.] The transparent membrane in the fore-part of the eye, through which the rays of light pass; situated in the sclerotica, and considered by some as a portion of it.

WordNet (r) 3.0 (2005)

n
1: the transparent dome-shaped anterior portion of the outer covering of the eye; it covers the iris and pupil and is continuous with the sclera

Merriam Webster's

noun Etymology: Middle English, from Medieval Latin, from Latin, feminine of corneus horny, from cornu Date: 14th century the transparent part of the coat of the eyeball that covers the iris and pupil and admits light to the interior — see eye illustration • corneal adjective

Oxford Reference Dictionary

n. the transparent circular part of the front of the eyeball. Derivatives: corneal adj. Etymology: med.L cornea tela horny tissue, f. L corneus horny f. cornu horn

Webster's 1913 Dictionary

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.

Collin's Cobuild Dictionary

(corneas) The cornea is the transparent skin covering the outside of your eye. N-COUNT