n. & adj.
--n.
1. hist. a member of a 17th-18th-c. society devoted to the study of metaphysical and mystical lore (said to have been founded in 1484 by Christian Rosenkreuz).
2 a member of any of several later organizations deriving from this.
--adj. of or relating to the Rosicrucians.
Derivatives:
Rosicrucianism n.
Etymology: mod.L rosa crucis (or crux), as Latinization of G Rosenkreuz