What is the meaning of slaughter?

noun

• The killing of animals (as for food. )
• A sound defeat.
  • synonyms: thrashing, walloping, debacle, drubbing, trouncing, whipping
• The savage and excessive killing of many people.
  • synonyms: massacre, mass murder, carnage, butchery

verb

• Kill (animals) usually for food consumption.
  • usage: "They slaughtered their only goat to survive the winter"
  • synonyms: butcher
• Kill a large number of people indiscriminately.
  • usage: "The Hutus massacred the Tutsis in Rwanda"
  • synonyms: massacre, mow down