definition of
procession

[1] #1 procession n. [emanation, rise] (theology) the origination of the Holy Spirit at Pentecost; "the emanation of the Holy Spirit"; "the rising of the Holy Ghost"; "the doctrine of the procession of the Holy Spirit from the Father and the Son". wn

[2] #2 procession n. the group action of a collection of people or animals or vehicles moving ahead in more or less regular formation; "processions were forbidden". wn

[3] #3 procession n. [progress, progression, advance, advancement, forward motion, onward motion] the act of moving forward (as toward a goal). wn