tuberous vetch

Từ điển WordNet v3.1 - WordNet Dictionary

noun

European herb bearing small tubers used for food and in Scotland to flavor whiskey
• Syn:
heath pea, earth-nut pea, earthnut pea, Lathyrus tuberosus
• Hypernyms:
vine
• Member Holonyms:
Lathyrus, genus Lathyrus