lousewort

noun
louse·​wort | \ ˈlau̇s-ˌwərt How to pronounce lousewort (audio) , -ˌwȯrt\

Definition of lousewort

: any of a genus (Pedicularis) of semiparasitic herbs of the snapdragon family typically having pinnatifid leaves and bilabiate flowers in terminal spikes

First Known Use of lousewort

1597, in the meaning defined above

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