pallium Meaning, Definition & Usage

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

WordNet

Pal"li*um noun
Etymology
L. See Pall the garment.
Wordforms
plural L Pallia(), E Palliums
Definitions
  1. (Anc. Costume) A large, square, woolen cloak which enveloped the whole person, worn by the Greeks and by certain Romans. It is the Roman name of a Greek garment.
  2. (R.C.Ch.) A band of white wool, worn on the shoulders, with four purple crosses worked on it; a pall. ✍ The wool is obtained from two lambs brought to the basilica of St. Agnes, Rome, and blessed. It is worn by the pope, and sent to patriarchs, primates, and archbishops, as a sign that they share in the plenitude of the episcopal office. Befoer it is sent, the pallium is laid on the tomb of St. Peter, where it remains all night.
  3. (Zoöl.) (a) The mantle of a bivalve. See Mantle. (b) The mantle of a bird.

Webster 1913