The prophecy is a list of Latin verses predicting each of the Roman Catholic popes from Pope Celestine II to the final pope, Peter the Roman, whose reign would end in the destruction of Rome.
Definition of VAINGLORY. 1. : excessive or ostentatious pride especially in one's achievements. 2. : vain display or show: vanity.
The definition of vain is  someone or something without value, without force or who is conceited. An example of vain is a promise that someone doesn't intend to keep. An example of vain is an attempt to prune a bush only to have it removed the following day. An example of vain is a person who constantly talks about how good looking they are.