A sacrament is a Christian religious ceremony such as communion, baptism, or marriage.
例句
...the holy sacrament of baptism.受洗圣礼
N-SING
(天主教)圣餐面包;(英国国教会)圣饼和葡萄酒
In the Roman Catholic church, the Sacrament is the holy bread eaten at the Eucharist. In the Anglican church, the Sacrament is the holy bread and wine taken at Holy Communion.