'Choroid' definitions:
Definition of 'choroid'
(from WordNet)
noun
A highly vascular membrane in the eye between the retina and the sclera; a dark pigmentation minimizes the scattering of light inside the eye [syn: choroid, choroid coat]
Definition of 'Choroid'
From: GCIDE
- Choroid \Cho"roid\, a. [gr. ?; ? chorion + e'i^dos form.] (Anat.) resembling the chorion; as, the choroid plexuses of the ventricles of the brain, and the choroid coat of the eyeball. -- n. The choroid coat of the eye. See Eye. [1913 Webster]
- Choroid plexus (Anat.), one of the delicate fringelike processes, consisting almost entirely of blood vessels, which project into the ventricles of the brain. [1913 Webster]