n. The act of slaying or killing, especially of many persons or animals.n. Applied to beasts, butchery; the killing of oxen, sheep, or other animals for market.n. Great or sweeping reduction in the price of goods offered for sale.n. Synonyms Havoc. See kill.To kill; slay; especially, to kill wantonly, ruthlessly, or in great numbers; massacre: as, to slaughter men in battle.To butcher; kill, as animals for the market or for food: as, to slaughter oxen or sheep.