Ro ‧ si ‧ cru ‧ cians, the /ˌrəʊzəˈkruːʃ ə nz, ˌrəʊzɪˈkruːʃ ə nz/ BrE AmE noun
[P] an international secret society of men, begun in the 17th century, who were involved in mysterious practices involving magic and spirits. There are also modern groups with the same name, especially in the US, who claim to be related to the original Rosicrucians.