Source : Webster's Revised Unabridged Dictionary (1913)

Separatory \Sep"a*ra*to*ry\, a.
   Separative. --Cheyne.

Separatory \Sep"a*ra*to*ry\, n. [Cf. F. s['e]paratoire.]
   1. (Chem.) An apparatus used in separating, as a separating
      funnel.

   2. (Surg.) A surgical instrument for separating the
      pericranium from the cranium. [Obs.]