|—n , pl -lons, -la|
|anatomy the parts of the brain, in both cerebal hemispheres, that in the early stages of evolution were concerned with the sense of smell. It includes the olefactory bulb and tract and the regions of the limbic system|
|[C19: from |
rhinencephalon rhi·nen·ceph·a·lon (rī'něn-sěf'ə-lŏn', -lən)
n. pl. rhi·nen·ceph·a·la (-lə)
The olfactory region of the brain, located in the cerebrum.