A Penitential
<span style="color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Lato, Helvetica, Arial, sans-serif;">a book or set of rules pertaining to the Christian sacrament of penance</span>
<span style="color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Lato, Helvetica, Arial, sans-serif;">a book or set of rules pertaining to the Christian sacrament of penance</span>