(in the Christian Church) a ceremony regarded as imparting spiritual grace, in particular:
(in the Roman Catholic and many Orthodox Churches) the seven rites of baptism, confirmation, the Eucharist, penance, anointing of the sick, ordination, and matrimony:a priest visits regularly to celebrate Mass and administer the sacramentssome receive the sacrament of reconciliation
(among Protestants) baptism and the Eucharist.
(also the Blessed Sacrament or the Holy Sacrament) (in Catholic use) the consecrated elements of the Eucharist, especially the bread or Host:he heard Mass and received the sacrament
a thing of mysterious and sacred significance; a religious symbol:they used peyote as a sacrament
