procession

US /prəˈseʃ.ən/
UK /prəˈseʃ.ən/
"procession" picture
1.

a number of people or vehicles moving forward in an orderly fashion, especially as part of a ceremony or festival or in a funeral

:
The wedding procession moved slowly down the aisle.
A funeral procession passed by the church.
2.

a series of people or things moving along in an orderly and continuous way

:
A procession of cars left the parking lot.
The speaker was followed by a procession of questions.