Lewis & Short

trŭcīdātĭo, ōnis, f. [trucido], a slaughtering, massacring, butchery.

  1. I. Lit.: inde non jam pugna, sed trucidatio velut pecorum fleri, Liv. 28, 16, 6: civium, Cic. Phil. 4, 5, 11.
    In plur. absol.: tantas trucidationes facis, Cato ap. Gell. 13, 24, 12.
  2. II. Transf., a cutting to pieces, cutting up, cutting off, Cels. praef. med.: arborum, a lopping, trimming, Plin. 17, 27, 45, § 257.