'neencephalon' definitions:

Definition of 'neencephalon'

(from WordNet)
noun
The part of the brain having the most recent phylogenetic origin; the cerebral cortex and related parts [syn: neencephalon, neoencephalon]

Definition of 'neencephalon'

From: GCIDE
  • neencephalon \ne`en*ceph"a*lon\ (n[=e]`[e^]n*s[e^]f"[.a]*l[o^]n), (Anat.) The most recently evolved part of the brain of higher animals. It includes the cerebral cortex and related structures. [PJC]