Lewis & Short

interfector, ōris, m. [interficio], a slayer, murderer.

  1. I. Lit.: alicujus, Cic. Mil. 27, 72; id. Phil. 1, 14, 35; Nep. Att. 8, 3; Tac. A. 1, 9; 12, 48; 14, 44; Liv. 24, 7, 7; 44, 40, 9.
  2. II. Trop., a destroyer: veritatis, Tert. Carn. Christ. 5.