a. [ L. thebaicus, Gr. &unr_;. ] Of or pertaining to Thebes in Egypt; specifically, designating a version of the Bible preserved by the Copts, and esteemed of great value by biblical scholars. This version is also called the Sahidic version. [ 1913 Webster ]
n. [ L. Thebais, -idis. ] A Latin epic poem by Statius about Thebes in Boeotia. [ 1913 Webster ]
n. [ So called from a kind of Egyptian opium produced at Thebes. ] (Chem.) A poisonous alkaloid,