Cephalization
Pronunciation : Ceph`a*li*za"tion
Part of Speech : n.
Definition : Defn: 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.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder