'Pontiff' definitions:

Definition of 'pontiff'

From: WordNet
noun
The head of the Roman Catholic Church [syn: pope, Catholic Pope, Roman Catholic Pope, pontiff, Holy Father, Vicar of Christ, Bishop of Rome]

Definition of 'Pontiff'

From: GCIDE
  • Pontiff \Pon"tiff\, n. [F. pontife, L. pontifex, -ficis; pons, pontis, a bridge (perhaps originally, a way, path) + facere to make. Cf. Pontoon.] A high priest. Especially: (a) One of the sacred college, in ancient Rome, which had the supreme jurisdiction over all matters of religion, at the head of which was the Pontifex Maximus. --Dr. W. Smith. (b) (Jewish Antiq.) The chief priest. (c) (R. C. Ch.) The pope. [1913 Webster]

Synonyms of 'pontiff'

From: Moby Thesaurus