Adjacent Words

tarweed definitions

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WordNet (r) 3.0 (2005)

n
1: any of various resinous glandular plants of the genus Madia; of western North and South America
2: any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock [syn: gumweed, gum plant, tarweed, rosinweed]

Webster's 1913 Dictionary

Tarweed Tar"weed`, n. (Bot.) A name given to several resinous-glandular composite plants of California, esp. to the species of Grindelia, Hemizonia, and Madia.