Pineal

2 definitions found

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

  Pineal \Pi"ne*al\, a. [L. pinea the cone of a pine, from pineus
     of the pine, from pinus a pine: cf. F. pin['e]ale.]
     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]

From WordNet (r) 2.0 [wn]:

  pineal
       adj 1: relating to the pineal body; "pineal hormone"
       2: having the form of a pine cone