A ritual book containing the forms and ceremonies used in the services of a particular monastery, cathedral or religious order.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "consuetudinary" in a sentence
"Whatever is left to depend on consuetudinary law, will derive its character from the feelings of the people, among whom the law has been formed and preserved."
"In England the franchises enjoyed by burgesses, freemen and other consuetudinary constituencies in burghs, were dependent on the character of the burgage-tenure."
"Gasparri gives as reason that the consuetudinary law never contemplated this case, and hence does not influence it (De Matrimonio, I, nos. 597 and 601)."