(Christianity) A sacred act and the attendant ceremony, considered (theology) an outward sign of divine grace. / (in particular) The Eucharist. / The consecrated Eucharist (especially the bread).

(transitive) To bind by an oath.

(Christianity, chiefly Roman Catholicism) An object (such as holy water or a crucifix) or an action (such as making the sign of the cross) which is regarded as encouraging devotion and thus spiritually aiding the person who uses it.

Used in, or relating to, a sacrament.

plural of sacramentalism

plural of sacramental

sacramental nature, character or quality

sacramentality

In a sacramental manner.

(theology) The belief that observance of the sacraments is necessary for salvation, or belief in their efficacy.