Verb
To celebrate together.
Source: Webster's dictionaryHe will concelebrate Masses at 9 a.m. and 11 a.m. at St. Martin de Porres Parish, Taylorsville, and present homilies on the subject of his presentation. Source: Internet
Any Catholic priest may concelebrate Mass according to Divine Worship.” Source: Internet
Former priests and pastors are welcomed back to concelebrate the liturgy. Source: Internet