cocklebur

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. burdock having heart-shaped leaves found in open woodland, hedgerows and rough grassland of Europe (except extreme N) and Asia Minor;
sometimes cultivated for medicinal and culinary use
• Syn:
great burdock, greater burdock, Arctium lappa
• Hypernyms:
burdock, clotbur
2. any coarse weed of the genus Xanthium having spiny burrs
• Syn:
cockle-bur, cockleburr, cockle-burr
• Hypernyms:
weed
• Member Holonyms:
Xanthium, genus Xanthium