1.
[syn: rhinencephalon, olfactory brain]
The Collaborative International Dictionary of English v.0.48:
Rhinencephalon \Rhi`nen*ceph"a*lon\
(r[imac]`n[e^]n*s[e^]f"[.a]*l[o^]n), n.; pl. Rhinencephala
(r[imac]`n[e^]n*s[e^]f"[.a]*l[.a]). [NL., fr. Gr. "ri`s,
"rino`s, the nose + 'egke`falos the brain.] (Anat.)
The division of the brain in front of the prosencephalon,
consisting of the two olfactory lobes from which the
olfactory nerves arise.
[1913 Webster]
Note: The term is sometimes used for one of the olfactory
lobes, the plural being used for the two taken
together.
[1913 Webster]
WordNet (r) 3.0 (2006):
rhinencephalon
n 1: a center in the cerebral hemispheres that governs the sense
of smell in lower animals; in humans it seems to mediate
complex emotional behavior [syn: rhinencephalon,
olfactory brain]