Cephalization

1 definition found

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

  Cephalization \Ceph`a*li*za"tion\, n.
     Domination of the head in animal life as expressed in the
     physical structure; localization of important organs or parts
     in or near the head, in animal development. --Dana.
     [1913 Webster]