of, pertaining to, or characteristic of a procession.

of the nature of a procession; moving in an orderly or regular succession, sequence, or the like.

of a style, design, etc., customarily used in processions

processional regalia.

sung or played during a procession, as a hymn, march, etc.

a piece of music, as a hymn or slow march, suitable for accompanying a procession.

a book containing hymns, litanies, etc., for use in religious processions.