Lewis & Short

† orthō̆grăphus, a, um, adj., = ὀρθόγραφος,

  1. I. orthographic (post-class.): veritas, Mart. Cap. 1, § 65.
  2. II. Subst.: orthō̆-grăphus, i, m., = ὀρθογράφος, an orthographer, Cassiod. Orthogr. p. 2320 P.