pallium (n.)

  1. the layer of unmyelinated neurons (the grey 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

The dictionary is based on the WordNet Electronic Lexical Database.
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