occīdĭo (noun F) : 1. occīdo
* A massacre, utter destruction, extermination (rare before the Aug. period; syn.: clades, strages, caedes): orare ne in occidione victoriam poneret,Liv. 3, 28.—Esp. freq. in the phrase occidione occidere or caedere, to cut off completely, cut down with utter destruction: equitatus occidione occisus,Cic. Fam. 15, 4, 7; id. Phil. 14, 14, 36; Liv. 28, 43; 2, 51; 9, 38 et saep.: omnes occidione caesi,Just. 26, 2, 5; 28, 2, 1; so, occidione occumbere,to be wholly cut off,Tac. A. 12, 38: equi, viri, cuncta victa occidioni dantur,every thing captured was destroyed,id. ib. 13, 57: occidioni exempti,id. ib. 12, 56 fin.—Of animals and plants: nec ad occidionem gens interimenda est,Col. 9, 15, 3: occidionem gregis prohibens,id. 7, 5, 16: nec ad occidionem universum genus perduci patimur,id. 4, 17, 3.

s. TLL