'Eupatorium' definitions:
Definition of 'Eupatorium'
From: WordNet
noun
Large genus of chiefly tropical herbs having heads of white or purplish flowers [syn: Eupatorium, genus Eupatorium]
Definition of 'Eupatorium'
From: GCIDE
- Eupatorium \Eu`pa*to"ri*um\, n. [NL., fr. Eupator, king of Pontus, said to have used it as a medicine.] (Bot.) A genus of perennial, composite herbs including hemp agrimony, boneset, throughwort, etc. [1913 Webster]