Lewis & Short

3. Bacchīus, ii, m., = Βάκχειος, a Greek proper name; esp.,

  1. I. Bacchius Milesius, a writer on agriculture, Varr. R. R. 1, 1, 8; Col. 1, 1, 9.
  2. II. (Scanned Bacchĭus.) A gladiator, Hor. S. 1, 7, 20.