Diencephalon

2 definitions found

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

  Diencephalon \Di`en*ceph"a*lon\, n. [NL. See {Dia-}, and
     {Encephalon}.] (Anat.)
     The interbrain or thalamencephalon; -- sometimes abbreviated
     to dien. See {Thalamencephalon}.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  diencephalon
       n : the posterior division of the forebrain; connects the
           cerebral hemispheres with the mesencephalon [syn: {interbrain},
            {betweenbrain}, {thalmencephalon}]