Definition of concelebrate
: to participate in (a Eucharist) as a joint celebrant who recites the canon in unison with other celebrants
: to participate as a celebrant in a concelebrated Eucharist
Origin of concelebrate
Medieval Latin concelebratus, past participle of concelebrare, from Latin, to frequent, celebrate, from com- + celebrare to celebrate
First Known Use: 1879
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