[ yoo-puh-tawr-ee-uh m, -tohr- ]
/ ˌyu pəˈtɔr i əm, -ˈtoʊr- /


any of numerous composite plants of the genus Eupatorium, having flat-topped clusters of flowers and comprising the bonesets or thoroughworts.

Origin of eupatorium

1570–80; < New Latin < Greek eupatṓrion hemp agrimony, after Eupátōr surname of Mithridates, said to have first used it Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for eupatorium

British Dictionary definitions for eupatorium

/ (ˌjuːpəˈtɔːrɪəm) /


any plant of the genus Eupatorium, of N temperate regions and tropical America: cultivated for their ornamental clusters of purple, pink, or white flowers: family Asteraceae (composites)

Word Origin for eupatorium

C16: from New Latin, from Greek eupatorion hemp agrimony, from Eupator surname of Mithridates VI, king of Pontus and traditionally the first to have used it medicinally
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012