[noun] any coarse weed of the genus Xanthium having spiny burrs Synonyms:cockle-bur, cockle-burr
[noun] 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 Synonyms:great burdock, greater burdock, Arctium lappa
