antevert

from The Collaborative International Dictionary of English v.0.48

Antevert \An`te*vert"\, v. t. [L. antevertere; ante + vertere to
   turn.]
   1. To prevent. [Obs.] --Bp. Hall.
      [1913 Webster]

   2. (Med.) To displace by anteversion.
      [1913 Webster]