1. the whitish fibrous membrane (albuginea) that with the cornea forms the outer covering and protection of the eyeball; [syn: sclera, sclerotic coat]
WordNet (r) 3.0 (2006):
sclera
n 1: the whitish fibrous membrane (albuginea) that with the
cornea forms the outer covering and protection of the
eyeball [syn: sclera, sclerotic coat]