Noun

• 1. the layer of unmyelinated neurons (the gray matter) forming the cortex of the cerebrum

• 2. (zoology) a protective layer of epidermis in mollusks or brachiopods that secretes a substance forming the shell

• 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