| a name variously ascribed by Neoplatonists and others to an Egyptian priest or to the Egyptian god Thoth, to some extent identified with the Grecian Hermes: various mystical, religious, philosophical, astrological, and alchemical writings were ascribed to him. |
Hermes Tris·me·gis·tus  (trĭs'mə-jĭs'təs, trĭz'-)  n. Mythology Hermes as identified with the Egyptian god Thoth, the legendary author of works on alchemy, astrology, and magic. [Medieval Latin Hermēs Trismegistus, from Greek Hermēs trismegistos : Hermēs, Hermes + trismegistos, thrice greatest (tris, thrice; see trei- in Indo-European roots + megistos, greatest; see meg- in Indo-European roots).] |