[yoo-puh-tawr-ee-uh m, -tohr-]


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

Nearby words

  1. eunuchize,
  2. eunuchoid,
  3. eunuchoid gigantism,
  4. eunuchoidism,
  5. euonymus,
  6. eupatrid,
  7. eupen and malmédy,
  8. eupepsia,
  9. eupepsy,
  10. eupeptic

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



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