'Coloboma' definitions:

Definition of 'Coloboma'

From: GCIDE

Coloboma \Col`o*bo"ma\, n. [NL. fr. Gr. ?, the part taken away in mutilation, fr. ? to mutilate.] (Anat. & Med.) A defect or malformation; esp., a fissure of the iris supposed to be a persistent embryonic cleft. [Webster 1913 Suppl.]