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

\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.]