sacrament
/ˈsækrəmənt/noun
1- a religious ceremony or act of the Christian Church which is regarded as an outward and visible sign of inward and spiritual divine grace, in particular（基督教的）圣事, 圣礼, 尤指：
1.1
- (in the Roman Catholic and many Orthodox Churches) the seven rites of baptism, confirmation, the Eucharist, penance, anointing of the sick, ordination, and matrimony（罗马天主教会和许多正教会的）七项圣事（洗礼、坚振礼、圣餐、补赎、终傅、授圣职礼、婚配）。
1.2
- (among Protestants) baptism and the Eucharist（新教徒的）洗礼和圣餐。
1.3
- （亦作the Blessed Sacrament 或the Holy Sacrament）(in Catholic use) the consecrated elements of the Eucharist, especially the bread or Host（天主教会的）圣餐中经过祝圣的东西（尤指圣餐面包或圣体）：
he heard Mass and received the sacrament.
他望了弥撒, 接受了圣餐面包。
1.4
- a thing of mysterious and sacred significance; a religious symbol具有神秘性质和神圣意义的事物; 宗教的象征。
词源
Middle English: from Old French sacrement, from Latin sacramentum 'solemn oath' （from sacrare 'to hallow', from sacer 'sacred'）, used in Christian Latin as a translation of Greek mustērion 'mystery'.