Meaning ofpyrethrumin English

Noun

1. a type of pellitory plant
   The gardener carefully planted pyrethrum in the flower bed.
2. daisy-like African perennials (Tanacetum species)
   The pyrethrum flowers were used to create a natural insecticide.
3. insecticides from these plants; pyrethrin
   The farmer used pyrethrum to control pests in his garden.