sacrament
Noun
1
a
: a Christian rite (such 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 sense 2a
b
: BLESSED SACRAMENT
3
: something likened to a religious sacrament
saw voting as a sacrament of democracy
Source