Bible Dictionaries
Keys

1910 New Catholic Dictionary

A symbol of the power and office of the Pope, the successor of Peter, to whom Our Lord said: "And I will give to thee the keys of the kingdom of heaven" (Matthew 16).

Also a symbol of the Sacrament of Penance.

Saints and beati with keys as their emblem in art include

Bibliography Information
Entry for 'Keys'. 1910 New Catholic Dictionary. https://www.studylight.org/​dictionaries/​eng/​ncd/​k/keys.html. 1910.