Answer:
In Christianity, it's a ritual commemoration of Jesus' Last Supper with his disciples. We call it the Holy Communion.
Explanation: if i am wrong correct me , and bash me
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EDIT : The Christian ceremony commemorating the Last Supper, in which bread and wine are consecrated and consumed.
The Holy Eucharist is a sacrament and a sacrifice. In the Holy Eucharist, under the appearances of bread and wine, the Lord Christ is contained, offered, and received.