definition  of sacrament
sacrament. n. 1. (Ecclesiastical Terms) an outward sign combined with a prescribed form of words and regarded as conferring some specific grace upon those who receive it. The Protestant sacraments are baptism and the Lord's Supper. In the Roman Catholic and Eastern Churches they are baptism, penance, confirmation, the Eucharist, holy orders, matrimony, and the anointing of the sick (formerly extreme unction).