/ ˈsækrəmənt; NAmE / noun ( in Christianity )
1.
[ C ] an important religious ceremony such as marriage, baptism or Communion
2.
the sacrament [ sing. ] the bread and wine that are eaten and drunk during the service of Communion
► sac·ra·men·tal / ˌsækrəˈmentl; NAmE / adjective [ usually before noun ]:
sacramental wine
••
WORD ORIGIN
Middle English : from Old French sacrement , from Latin sacramentum solemn oath (from sacrare to consecrate, from sacer sacred), used in Christian Latin as a translation of Greek mustērion mystery.