sac·ra·ment
\ˈsa-krə-mənt\
Etymology: Middle English sacrement, sacrament, from Anglo-French & Late Latin; Anglo-French, from Late Latin sacramentum, from Latin, oath of allegiance, obligation, from sacrare to consecrate Date: 13th century.
1 a: a Christian rite (as baptism or the Eucharist) that is believed to have been ordained by Christ and that is held to be a means of divine grace or to be a sign or symbol of a spiritual reality b: a religious rite or observance comparable to a Christian sacrament 2 capitalized a: communion 2a b: blessed sacrament 3: something likened to a religious sacrament...
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