noun
poisonous Old World spurge; adventive in America; seeds yield a purgative oil
• Syn: ↑myrtle spurge, ↑mole plant, ↑Euphorbia lathyris
• Hypernyms: ↑spurge
• Member Holonyms: ↑Euphorbia, ↑genus Euphorbia
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noun : a poisonous European spurge (Euphorbia lathyrus) that is adventive in America and has seeds that yield a purgative oil — called also mole plant
Useful english dictionary. 2012.