Dictionary.net

the action of a body of people proceeding in a regular formation; "processions were forbidden"

the group action of a collection of people or animals or vehicles moving ahead in more or less regular formation; "processions were forbidden"

(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"

The act of proceeding, moving on, advancing, or issuing; regular, orderly, or ceremonious progress; continuous course.

That which is moving onward in an orderly, stately, or solemn manner; a train of persons advancing in order; a ceremonious train; a retinue; as, a procession of mourners; the Lord Mayor's procession.

An orderly and ceremonial progress of persons, either from the sacristy to the choir, or from the choir around the church, within or without.

An old term for litanies which were said in procession and not kneeling.

To march in procession.

To honor with a procession.

Regular or orderly progress; that which moves forward, especially a train of persons in a formal march.

The act of proceeding: a train of persons in a formal march.

The act of proceeding: a train of persons in a formal march.

Train of persons moving.

An array, as of persons, moving in order; train; array.

The act of proceeding.

A train of persons moving with ceremonious solemnity either on foot or on horseback; the act of issuing or proceeding from.

n. [Latin] Act of proceeding ; regular, orderly, or ceremonious progress ;- a train of individuals advancing in order ; a ceremonious train ; a retinue.