ratsbane

/ˈrætsˌbeɪn/
noun
  1. A poisonous substance used to kill rats; rat poison.
    • The old shed contained a box of ratsbane that had been there for decades.
    • Farmers used ratsbane to protect their grain stores from rodent infestations.
    • Because ratsbane is highly toxic, it must be kept away from children and pets.
Antonyms
What does "ratsbane" mean? | whatsthatwordmean | whatsthatwordmean