Wordnet 3.0
NOUN (1)
1.
that part of the central nervous system that includes all the higher nervous centers;
enclosed within the skull;
continuous with the spinal cord;
[syn: brain, encephalon]
The Collaborative International Dictionary of English v.0.48:
encephalon \en*ceph"a*lon\, n.; pl. encephala. [NL. See
Encephalos.] (Anat.)
The contents of the cranium; the brain.
[1913 Webster]
WordNet (r) 3.0 (2006):
encephalon
n 1: that part of the central nervous system that includes all
the higher nervous centers; enclosed within the skull;
continuous with the spinal cord [syn: brain,
encephalon]