rotenone
/roʊˈtɛnoʊniː/Definitions
1. noun
a colorless, crystalline, strongly basic alkaloid extracted from the roots of the Derris or Lonchocarpus tree, used as an insecticide
“The gardener applied rotenone to the garden to kill the pests.”
2. verb
to kill or destroy insects or other small invertebrates with rotenone
“The farmer rotenoned the fields to get rid of the pests.”