pallium

Definition
(noun) the layer of unmyelinated neurons (the grey matter) forming the cortex of the cerebrum Definition
(noun) (zoology) a protective layer of epidermis in mollusks or brachiopods that secretes a substance forming the shell Definition
(noun) (Roman Catholic Church) vestment consisting of a band encircling the shoulders with two lappets hanging in front and back Definition
(noun) cloak or mantle worn by men in ancient Rome