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1. Relating to, characteristic of, or suitable for a pontiff.
2. Pompously dogmatic or self-important; pretentious.
1. pontificals The vestments and insignia of a bishop.
2. A book of forms for ceremonies performed by a bishop.
[Middle English, from Old French, from Latin pontificālis, of a pontifex, from pontifex, pontific-, pontifex; see pontifex.]
(Roman Catholic Church) chiefly RC Church the insignia and special vestments worn by a bishop, esp when celebrating High Mass