or THEIO'DAS or THE'ODAS (Θευδᾶς or Θειώδας or Θεοδᾶς).
1. A physician belonging to the sect of the Empirici (Galen, De Meth. Med. 2.7, vol. x. p. 142), who is perhaps the person mentioned by Diogenes Laertius (9.116), as being a native of Laodiceia, a pupil of Antiochus of Laodiceia, and a contemporary of Menodotus, about the beginning of the second century after Christ.