\Tar"tar*ous\, a. [Cf. F. tartareux.]
Containing tartar; consisting of tartar, or partaking of its
qualities; tartareous.

\Tar"tar*ous\, a.
Resembling, or characteristic of, a Tartar; ill-natured;
irritable.
      The Tartarous moods of common men.       --B. Jonson.