n.
1.made of dried flower heads of pyrethrum plants
2.white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below
3.spring-flowering garden perennial of Asiatic origin having finely divided aromatic leaves and white to pink-purple flowers
4.used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum
Idiom of the Day
dead letter
a piece of mail that cannot be delivered or returned to the sender
The letter with no return address went back to the post office as a dead letter.