A stone placed in a prominent corner of the foundation of a church, or other building, laid at a ceremony which marks the beginning of the erection of the superstructure. It is inscribed with the date, and has a cavity to receive coins and other mementoes of the time and circumstances. The corner-stone of an ecclesiastical building symbolizes Christ, who is the Corner-stone of faith and Foundation of the Church.
- “corner-stone“. . CatholicSaints.Info. 7 February 2013. Web. 18 January 2017. <>