1.
[syn: forebrain, prosencephalon]
The Collaborative International Dictionary of English v.0.48:
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]
WordNet (r) 3.0 (2006):
prosencephalon
n 1: the anterior portion of the brain; the part of the brain
that develops from the anterior part of the neural tube
[syn: forebrain, prosencephalon]