choroid

• POS: Adjective, Noun
• HYPHEN: cho=roid

CIDE DICTIONARY

choroid, a. [gr. ; chorion + e'i^dos form.].

 resembling the chorion; as, the choroid plexuses of the ventricles of the brain, and the choroid coat of the eyeball.  [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.

OXFORD DICTIONARY

choroid, adj. & n.
--adj. like a chorion in shape or vascularity.
--n. (in full choroid coat or membrane) a layer of the eyeball between the retina and the sclera.

Etymology

Gk khoroeides for khorioeides: see CHORION