Hecatomb

Hec"a*tomb (?), n. [L. hecatombe, Gr. ?; ? hundred + ? ox: cf. F. hécatombe.] (Antiq.) A sacrifice of a hundred oxen or cattle at the same time; hence, the sacrifice or slaughter of any large number of victims.

Slaughtered hecatombs around them bleed.
Addison.

More than a human hecatomb.
Byron.