Sacramental bread

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Sacramental bread, also called Communion bread, Communion wafer, Sacred host, Eucharistic bread, the Lamb or simply the host (Latin: hostia, lit. 'sacrificial victim'), is the bread used in the Christian ritual of the Eucharist. Along with sacramental wine, it is one of two elements of the Eucharist. The bread may be either leavened or unleavened, depending on tradition.

Catholic theology generally teaches that at the Words of Institution the bread's substance is changed into the Body of Christ (transubstantiation), whereas Eastern Christian theology generally views the epiclesis as the point at which the change occurs. Bread was in the religious rituals of Mandaeism, Mithraism,^{[1]: 161–162} and other pagan cultures similar to that of ancient Egypt.^{[2]: 66–68}