Source : Webster's Revised Unabridged Dictionary (1913)

Sinaic \Si*na"ic\, Sinaitic \Si`na*it"ic\, a. [From Mount
   Sinai.]
   Of or pertaining to Mount Sinai; given or made at Mount
   Sinai; as, the Sinaitic law.

   {Sinaitic manuscript}, a fourth century Greek manuscript of
      the part Bible, discovered at Mount Sinai (the greater
      part of it in 1859) by Tisschendorf, a German Biblical
      critic; -- called also {Codex Sinaiticus}.