1. a person whose job is to kill animals for food
2. a person who kills many people or animals in a violent way

Examples

• The slaughterer worked at the meat processing plant.
• He trained as a professional slaughterer to work in the livestock industry.
• The slaughterer used proper techniques to ensure food safety.
• Local farmers brought their cattle to the experienced slaughterer.
• The war criminal was known as a slaughterer of innocent civilians.
• History remembers him as a ruthless slaughterer who showed no mercy.