Tridentine

The adjective Tridentine refers to any thing or person pertaining to the city of Trent, Italy (Tridentum).

It is applied in particular to:
 * The Council of Trent, one of the ecumenical councils recognized by the Roman Catholic Church, held in that city in the 16th century, and to the teachings emphasized by it and the related legislation issued by the Popes of the time, especially Pope Pius V
 * The Tridentine Mass, which supplanted the various versions of the Pre-Tridentine Mass and in turn, with the introduction of the Mass of Paul VI ceased to be the ordinary form of the Roman Rite but some versions of which continue to be used as extraordinary forms of the Roman Rite, with official approval in the case of the 1962 version.
 * The Traditionalist Catholic movement and its members, who have adhered to the 1962 or earlier editions of the Roman Missal.
 * The Tridentine Reformation.