The procession of the Holy Spirit.
When a long line of people just keeps coming to ask you questions, this is an example of a procession of people.
When a group of cars travel together when going to a funeral, this is an example of a procession.
Origin of procession
- Middle English from Old French from Late Latin prōcessiō prōcessiōn- from Latin an advance from prōcessus past participle of prōcēdere to advance proceed
From American Heritage Dictionary of the English Language, 5th Edition