Meaning of cocklebur

cock•le•bur

Pronunciation: (kok'ul-bûr"), [key]
— n.
  1. any composite plant of the genus Xanthium, comprising coarse weeds with spiny burs.
  2. the burdock, Arctium lappa.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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