The American Heritage® Dictionary of the English Language, 4th Edition
n. The pope.
n. A bishop.
n. A pontifex.
the GNU version of the Collaborative International Dictionary of English
n. 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.
n. The chief priest.
n. The pope.
The Century Dictionary and Cyclopedia
n. In Roman antiquity, a chief priest: same as pontifex, 1.
n. A Jewish high priest.
n. Eccles., a bishop; especially, the Bishop of Rome, as the head of the church; the Pope. Also called the supreme pontiff.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the head of the Roman Catholic Church
Word Usage
"FESSIO: Well, yes, pontiff comes from the Latin word "pontifex," which means a builder of a bridge."