dropwort
Concise Oxford English Dictionary © 2008 Oxford University Press:
dropwort/ˈdrɒpwəːt/
▶noun
- 1 a grassland plant with small white flowers and divided leaves. [Filipendula vulgaris.]
- 2 (water dropwort) a poisonous plant of the parsley family, which grows in wet habitats. [Oenanthe crocata (Europe) and other species.]
– origin ME: named from the small drop-like fibrous tubers on its roots.
'dropwort' also found in these Oxford entries:

