[pruh-sesh-uh
n] 
| 1. | the act of moving along or proceeding in orderly succession or in a formal and ceremonious manner, as a line of people, animals, vehicles, etc. |
| 2. | the line or body of persons or things moving along in such a manner. |
| 3. | Ecclesiastical. an office, litany, etc., said or sung in a religious procession. |
| 4. | Theology. the emanation of the Holy Spirit from the Father and later, in the Western Church, from the Son: distinguished from the “generation” of the Son and the “unbegottenness” of the Father. |
| 5. | the act of coming forth from a source. |
| 6. | to go in procession. |
| pro·ces·sion (prə-sěsh'ən) n.
To form or go in a procession. [Middle English, from Old French, from Late Latin prōcessiō, prōcessiōn-, from Latin, an advance, from prōcessus, past participle of prōcēdere, to advance; see proceed.] |
procession
in Christianity, organized body of people advancing in formal or ceremonial manner as an element of Christian ritual or as a less official expression of popular piety. Public processions seem to have come into vogue soon after the recognition of Christianity as the religion of the Roman Empire by Constantine in the 4th century.
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