noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of various composite plants which secrete resins or have a resinous smell; for example, several species in the genus Silphium in the composite family. countable, uncountable
2. 2
   any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock wordnet
3. 3
   North American perennial having a resinous odor and yellow flowers wordnet

Synonyms

All synonyms

gum plantgumweedgumweedresinweedsilphium laciniatumtarweed

Etymology

From rosin + weed.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.