n. plural In ancient religions, rites known to and practised by certain initiated persons only, consisting of purifications, sacrificial offerings, processions, songs, dances, dramatic performances, and the like: as, the Eleusinian mysteries.n. In the Christian Church, especially in the early church and in the Greek Church, a sacrament.n. plural The consecrated elements in the eucharist; in the singular, the eucharist.n. Any religious doctrine or body of doctrines that seems above human comprehension.n. They counte as Fables the holie misteries of Christian Religion.n. In general, a fact, matter, or phenomenon of which the meaning, explanation, or cause is not known, and which awakens curiosity or inspires awe; something that is inexplicable; an enigmatic secret.n. A form of dramatic composition much in vogue in the middle ages, and still played in some parts of Europe in a modified form, the characters and events of which were drawn from sacred history.n. Occupation; trade; office; profession; calling; art; craft.