Source : Webster's Revised Unabridged Dictionary (1913)

Debatable \De*bat"a*ble\, a. [Cf. OF. debatable. See {Debate}.]
   Liable to be debated; disputable; subject to controversy or
   contention; open to question or dispute; as, a debatable
   question.

   {The Debatable Land} or {Ground}, a tract of land between the
      Esk and the Sark, claimed by both England and Scotland;
      the Batable Ground.