- any composite plant of the genus Xanthium, comprising coarse weeds with spiny burs.
- the burdock, Arctium lappa.
Origin of cocklebur
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any coarse weed of the genus Xanthium, having spiny burs: family Asteraceae (composites)
- the bur of any of these plants