pallium (
http://definr.com/pallium)
n 1: the layer of unmyelinated neurons (the gray matter) forming
the cortex of the cerebrum [syn:
cerebral cortex, {cerebral
mantle},
cortex]
2: (zoology) a protective layer of epidermis in mollusks or
brachiopods that secretes a substance forming the shell
[syn:
mantle]
3: (Roman Catholic Church) vestment consisting of a band
encircling the shoulders with two lappets hanging in front
and back
4: cloak or mantle worn by men in ancient Rome