Source : Webster's Revised Unabridged Dictionary (1913)
Choroid \Cho"roid\, a. [gr. ?; ? chorion + ? 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.
Source : WordNet®
choroid plexus
n : a vascular plexus of the cerebral ventricles that regulate
intraventricular pressure [syn: {plexus choroideus}]