"bugbane" in the noun sense
1. white hellebore, American hellebore, Indian poke, bugbane, Veratrum viride
North American plant having large leaves and yellowish green flowers growing in racemes yields a toxic alkaloid used medicinally
2. bugbane
a plant of the genus Cimicifuga having flowers in long racemes or panicles reported to be distasteful to insects
Source: WordNet® (An amazing lexical database of English)
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