1. people who kill animals for food, especially in a slaughterhouse
2. people who kill many others brutally or violently
Usage: often used to describe those who commit mass killings

Examples

• The slaughterers worked efficiently to process the cattle for market.
• Professional slaughterers must follow strict health and safety regulations.
• The factory employed dozens of slaughterers during peak season.
• History remembers the dictators as slaughterers of innocent people.
• The war crimes tribunal prosecuted the slaughterers responsible for the massacre.
• Local slaughterers supplied meat to restaurants throughout the region.