'Cocklebur' definitions:

Definition of 'cocklebur'

From: WordNet
noun
Any coarse weed of the genus Xanthium having spiny burrs [syn: cocklebur, cockle-bur, cockleburr, 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 [syn: great burdock, greater burdock, cocklebur, Arctium lappa]

Definition of 'Cocklebur'

From: GCIDE
  • Cocklebur \Coc"kle*bur`\, n. (Bot.) A coarse, composite weed, having a rough or prickly fruit; one of several species of the genus Xanthium; -- called also clotbur. [1913 Webster]