Webster's 1913 Dictionary
PALLIUM
Pal "li *um, n.; pl. L. Pallia (Palliums. Etym: [L. See Pall the garment. ]
1. (Anc. Costume )
Defn: 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. )
Defn: A band of white wool, worn on the shoulders, with four purple crosses worked on it; a pall.
Note: 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.
New American Oxford Dictionary
pallium
pal li um |ˈpalēəm ˈpæliəm | ▶noun ( pl. pallia |ˈpalēə | or palliums ) 1 a woolen vestment conferred by the pope on an archbishop, consisting of a narrow, circular band placed around the shoulders with short lappets hanging from front and back. 2 historical a man's large rectangular cloak, esp. as worn by Greek philosophical and religious teachers. 3 Zoology the mantle of a mollusk or brachiopod. 4 Anatomy the outer wall of the mammalian cerebrum, corresponding to the cerebral cortex. DERIVATIVES pal li al |ˈpalēəl |adjective pallium ( sense 3, sense 4 ) ORIGIN Middle English: from Latin, literally ‘covering. ’
Oxford Dictionary
pallium
pallium |ˈpalɪəm | ▶noun ( pl. pallia |-lɪə | or palliums ) 1 a woollen vestment conferred by the Pope on an archbishop, consisting of a narrow circular band placed round the shoulders with a short lappet hanging from front and back. 2 historical a man's large rectangular cloak, especially as worn by Greek philosophical and religious teachers. 3 Zoology the mantle of a mollusc or brachiopod. 4 Anatomy the outer wall of the mammalian cerebrum, corresponding to the cerebral cortex. DERIVATIVES pallial adjective pallium ( sense 3, sense 4 ) ORIGIN Middle English: from Latin, literally ‘covering ’.
Duden Dictionary
Pallium
Pal li um Substantiv, Neutrum , das |P a llium |das Pallium; Genitiv: des Palliums, Plural: die Pallien lateinisch pallium = weiter Mantel 1 katholische Kirche über dem Messgewand getragenes weißes Band mit sechs schwarzen Kreuzen als päpstliches und erzbischöfliches Insigne 2 a (im Mittelalter ) [bei der Krönung getragener ] Mantel der Könige und Kaiser b (im antiken Rom ) mantelartiger Umhang der Männer 3 Biologie Großhirnrinde
The Wordsmith Dictionary