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n. a ritual book containing the forms and ceremonies used in the services of a particular monastery, cathedral or religious order.

adj. Customary.

n. A manual or ritual of customary devotional exercises.

Customary.

n. A book containing the ritual and ceremonial regulations of a monastic house or order; an ordinal or directory for religious houses, or for cathedrals and collegiate churches observing monastic discipline.

n. a manual describing the customs of a particular group (especially the ceremonial practices of a monastic order)

"This shows that the vicarius urbis was firmly established in the fulness of his office and externally recognized as such; certain consuetudinary rights had even at this date grown up and become accepted."

manual   

customary law   

customary