Find accurate definitions of over 5,000 Catholic terms and phrases (including abbreviations). Based on Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.
The stone in a corner of the foundation of a building. Inscribed with the name and date, a cavity in the stone may contain mementos of the time and circumstances. The cornerstone of an ecclesiastical building symbolizes Christ the Foundation of the Church and is blessed at its laying.