eucharistic

Examples from literature

At four o'clock in the morning I heard several masses, and received the Eucharist. 
Else why is there a resurrection of the body? and why does the Eucharist "preserve our body and soul to everlasting life?" 
Luther recognized the bodily presence of Christ in the Eucharist, while he rejected transubstantiation and the idea of worshipping the consecrated wafer as the real God. 
The main subject of the dispute was in reference to the Eucharist. 

Eucharist | American Dictionary

Eucharist
noun[ U ]
us/ˈju·kə·rɪst/
the Christian ceremony based on Jesus’s last meal with those who followed him, or the bread and wine used in this ceremony