Real Dictionary

sacramental
adjective: Something that is sacramental is connected with a Christian religious ceremony.

sacramental in American English
of or relating to a sacrament
something, as the use of holy water, instituted or approved by the Church as a pious means of petitioning divine help and favor
adjective: of, pertaining to, or of the nature of a sacrament, esp. the sacrament of the Eucharist
noun: an action, as the sign of the cross, a ceremony resembling a sacrament, or a sacred object, regarded as being instituted by the church rather than by Christ and serving as a means of receiving sanctifying grace

sacramental in British English
adjective: of, relating to, or having the nature of a sacrament
noun: a sacrament-like ritual action, such as the sign of the cross or the use of holy water