\The"ur*gy\ (th[=e]"[u^]r*j[y^]), n. [L. theurgia, Gr.
qeoyrgi`a, fr. qeoyrgo`s doing the works of God; qeo`s God +
'e`rgon work: cf. F. th['e]urgie. See {Theism}, and {Work}.]
1. A divine work; a miracle; hence, magic; sorcery.
2. A kind of magical science or art developed in Alexandria
   among the Neoplatonists, and supposed to enable man to
   influence the will of the gods by means of purification
   and other sacramental rites. --Schaff-Herzog Encyc.
3. In later or modern magic, that species of magic in which
   effects are claimed to be produced by supernatural agency,
   in distinction from natural magic.