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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
   - great burdock, greater burdock, Arctium lappa
    
2. Any coarse weed of the genus Xanthium having spiny burrs
   - cockle-bur, cockleburr, cockle-burr

Derived forms: cockle-burs, cockleburs

Type of: burdock, clotbur, weed

Part of: genus Xanthium, Xanthium

Encyclopedia: Cocklebur