D defs.my
Entry 1 sense Webster, 1913

Cephalization

· Ceph·a·li·za·tion · IPA
01 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…
  1. 1.
    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.