A sacrifice of a hundred oxen or cattle at the same time; hence, the sacrifice or slaughter of any large number of victims.

the sacrifice of a hundred cattle

100 oxen or cattle (in ancient Greece a public sacrifice of 100 oxen to the gods in thanks for some great discovery, event or victory)

Hecatomb is a collectible card game created by Wizards of the Coast, makers of the popular card game. The base set of 144 cards was released on August 18 2005 at the annual Gen Con Indy. The game is unique in its use of five-sided, stackable cards made of durable plastic as opposed to conventional paper.