Noun
- 1. cocklebur, cockle-bur, cockleburr, cockle-burr, weed
- usage: any coarse weed of the genus Xanthium having spiny burrs
- 2. great burdock, greater burdock, cocklebur, Arctium lappa, burdock, clotbur
- usage: 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
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