A symbol of sorrow for sin. During the Mass the priest strikes his breast moderately with his right hand at times when the prayers express consciousness of sin, for instance, at the confession and at the thrice-repeated words “Lord, I am not worthy.” Catholics ordinarily do this also at Mass.
- “striking of the breast”. . Saints.SQPN.com. 8 August 2013. Web. 16 September 2014. <>