cocklebur Meaning, Definition & Usage

  1. noun any coarse weed of the genus Xanthium having spiny burrs
    cockleburr; cockle-burr; cockle-bur.
  2. 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
    great burdock; greater burdock; Arctium lappa.

WordNet

Coc"kle*bur` noun
Definitions
  1. (Bot.) A coarse, composite weed, having a rough or prickly fruit; one of several species of the genus Xanthium; -- called also clotbur.

Webster 1913