The Eucharist commemorates Christ’s last supper and is, for most Christians, the central act of worship and a real communion with Christ. Mystics such as Mechthild, Catherine of Siena and the author of the Imitation of Christ made it the focus of their devotion and union.
Eucharist
Thanksgiving: the Christian sacrament of the bread and wine as the body and blood of Christ.
Also: Holy Communion, Mass