'Prosencephalon' definitions:

Definition of 'prosencephalon'

From: WordNet
noun
The anterior portion of the brain; the part of the brain that develops from the anterior part of the neural tube [syn: forebrain, prosencephalon]

Definition of 'Prosencephalon'

From: GCIDE
  • Prosencephalon \Pros`en*ceph"a*lon\, n. [NL., fr. Gr. ? toward, near to + E. encephalon.] [Sometimes abbreviated to proen.] (Anat.) (a) The anterior segment of the brain, including the cerebrum and olfactory lobes; the forebrain. (b) The cerebrum. --Huxley. [1913 Webster]