[1] : The Collaborative International Dictionary of English v.0.48

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
see also:
eye choroid plexus 

[2] : WordNet (r) 2.0

choroid
     n : a highly vascular membrane in the eye between the retina and
         the sclera syn: choroid coat
see also:
choroid coat 

Choroid >> C Words
Choroid, definition of term: Choroid
choroid_pag1.html

Choroid Plexus >> C Words
Choroid Plexus, definition of term: Choroid Plexus
choroid+plexus_pag1.html