2 definitions found

From The Collaborative International Dictionary of English v.0.44 [gcide]:

Choroid \Cho"roid\, adjective [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}.

{Choroid plexus} (Anat.), one of the delicate fringelike processes, consisting almost entirely of blood vessels, which project into the ventricles of the brain.

From WordNet (r) 2.0 [wn]:

choroid

noun