Dictionary.com
definitions
  • synonyms

rosinweed

[roz-in-weed]
noun
  1. any coarse, North American, composite plant of the genus Silphium, having a resinous juice and stalkless, paired leaves.
  2. the compass plant, S. laciniatum.
Show More

Origin of rosinweed

An Americanism dating back to 1825–35; rosin + weed1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for rosinweed

rosinweed

noun
  1. any of several North American plants of the genus Silphium and related genera, esp the compass plant, having resinous juice, sticky foliage, and a strong smell: family Asteraceae (composites)
Show More
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