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

pineal \pi"neal\, a. l. pinea the cone of a pine, from pineus
   of the pine, from pinus a pine: cf. f. pin'eale.
   of or pertaining to a pine cone; resembling a pine cone.
   1913 webster

   pineal gland anat., a glandlike body in the roof of the
      third ventricle of the vertebrate brain; -- called also
      pineal body, epiphysis, conarium. in some animals it
      is connected with a rudimentary eye, the so-called pineal
      eye, and in other animals it is supposed to be the remnant
      of a dorsal median eye.
      1913 webster
see also:
pineal gland pineal body epiphysis conarium 

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

conarium \cona"rium\, n. nl., fr. gr. kwna`rion. anat.
   the pineal gland.
   1913 webster

Conarium >> C Words
Conarium, definition of term: Conarium
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