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; a band encircling the shoulders with

two lappets hanging in front and back

4: a cloak or mantle worn by men in ancient Rome