pyrethrum: Meaning and Definition of
Pronunciation: (pī-rē'thrum, -reth'rum), [key]
- any of several chrysanthemums, as Chrysanthemum coccineum, having finely divided leaves and showy red, pink, lilac, or white flowers, cultivated as an ornamental.
- any of several chrysanthemums, as C. cinerariifolium, or C. coccineum, cultivated as a source of insecticides.
- the dried flower heads of these plants, used chiefly as an insecticide and sometimes in medicine for certain skin disorders.
- pyrethrum (Thesaurus)