rite

Definitions:

A religious ceremony.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (noun) (n.) (noun)
A formal act of religion; any solemn ceremony; as, the rite of marriage; a prescribed religious form.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (noun) (n.) (noun)
A formal act of religious worship; external observance; form; ceremony.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (noun) (n.) (noun)
A religious usage or ceremony.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (noun) (n.) (noun)
Religious usage or ceremony.
- The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894. (noun) (n.) (noun)

Usage examples:

All the monkish institutions then prevalent discredited marriage; and it is clear that this distinct consecration of the rite by the presence of the Saviour and his mother did not find favour with the early patrons of art.
- Legends of the Madonna by Mrs. Jameson
Sybell had announced at luncheon, in the tone of one who observes a religious rite that she should rest till four o'clock, and would be ready to sit for the portrait of her upper lip at that hour.
- Red Pottage by Mary Cholmondeley
Think of the weary hours you have given to a rite that should be the highest social pleasure!
- The Complete Essays of C. D. Warner by Charles Dudley Warner