noun
perennial of Europe and North Africa; foliage turns black in drying
• Syn: ↑Lathyrus niger
• Hypernyms: ↑vetchling
• Member Holonyms: ↑Lathyrus, ↑genus Lathyrus
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noun : a European bitter vetch (Lathyrus niger) with foliage that turns black in drying
Useful english dictionary. 2012.