noun
1. North American perennial having a resinous odor and yellow flowers
• Syn: ↑Silphium laciniatum
• Hypernyms: ↑compass plant, ↑compass flower
• Member Holonyms: ↑Silphium, ↑genus Silphium
2. any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock
• Hypernyms: ↑herb, ↑herbaceous plant
• Hyponyms: ↑Grindelia robusta, ↑curlycup gumweed, ↑Grindelia squarrosa
• Member Holonyms: ↑Grindelia, ↑genus Grindelia
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\\ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷\ noun : any of various American plants having resinous foliage or a resinous odor: as
a. : compass plant a
b. : gumweed
c. : a golden aster (Chrysopsis villosa) of western No. America
d. : prairie dock 1
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/roz"in weed'/, n.
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.
[1825-35, Amer.; ROSIN + WEED1]
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rosin plant or rosˈinweed noun
• • •
Main Entry: ↑rosin
Useful english dictionary. 2012.