Sacrament

Sacrament
In Christian belief and practice, a sacrament rite instituted by Christ, that mediates grace, constituting a sacred mystery. The root meaning of the Latin word sacramentum is to "make sacred". Views concerning both what rites are sacramental, and what it means for an act to be sacramental vary among Christian denominations and traditions.

1. Christianity. A rite believed to be a means of or visible form of grace, especially:
1. In the Eastern, Roman Catholic, and some other Western Christian churches, any of the traditional seven rites that were instituted by Jesus and recorded in the New Testament and that confer sanctifying grace.
2. In most other Western Christian churches, the two rites, Baptism and the Eucharist, that were instituted by Jesus to confer sanctifying grace.

Information obtained from: http://en.wikipedia.org/wiki/Sacrament, www.answers.com/sacrament