Search Result for "mesencephalon": 
Wordnet 3.0

NOUN (1)

1. the middle portion of the brain;
[syn: midbrain, mesencephalon]


The Collaborative International Dictionary of English v.0.48:

Mesencephalon \Mes`en*ceph"a*lon\, n. [NL. See Meso- and Encephalon.] (Anat.) The middle segment of the brain; the midbrain. Sometimes abbreviated to mesen. See Brain. [1913 Webster]
WordNet (r) 3.0 (2006):

mesencephalon n 1: the middle portion of the brain [syn: midbrain, mesencephalon]