'Keratonyxis' definitions:

Definition of 'Keratonyxis'

From: GCIDE

Keratonyxis \Ker`a*to*nyx"is\, n. [Gr. ke`ras, -atos, horn + ? puncture.] (Med.) The operation of removing a cataract by thrusting a needle through the cornea of the eye, and breaking up the opaque mass. [1913 Webster]