1. Any coarse weed of the genus Xanthium having spiny burrs
   "The dog's fur was matted with cocklebur seeds after running through the field";
   - cockle-bur, cockleburr, cockle-burr
    
2. 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
   "The dog's fur was covered in cockleburs";
   - great burdock, greater burdock, Arctium lappa

Derived forms: cockle-burs, cockleburs

Type of: burdock, clotbur, weed

Part of: genus Xanthium, Xanthium

Encyclopedia: Cocklebur