cocklebur
1. [ noun ] (botany) any coarse weed of the genus Xanthium having spiny burrs
Synonyms: cockle-bur cockle-burr cockleburr
Related terms: weed Xanthium
2. [ noun ] (botany) 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: greater_burdock Arctium_lappa great_burdock
Related terms: burdock
Similar spelling:   cockleburr
  cockle-bur
  cockle-burr