Meaning of pallium

Definition of pallium

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

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