Lewis Short
interfector (noun M) : id.
* A slayer, murderer.
* 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.
* Trop., a destroyer: veritatis,Tert. Carn. Christ. 5.
Charlton T. Lewis, Charles Short, A Latin Dictionary