Lewis & Short

exstirpātor (ext-), ōris, m. [exstirpo],

  1. I. an uprooter: silvae, August. in Joann. Epist. ad Parth. Fr. 2, 8; id. in Psa. 95, 6.
  2. II. Trop., a destroyer, waster: substantiae monasterii, Regul. Benedict. 31.