'Clotbur' definitions:

Definition of 'clotbur'

(from WordNet)
noun
Any of several erect biennial herbs of temperate Eurasia having stout taproots and producing burs [syn: burdock, clotbur]

Definition of 'Clotbur'

From: GCIDE
  • Clotbur \Clot"bur`\, n. [Cf. Clote.]
  • 1. The burdock. [Prov. Engl.] --Prior. [1913 Webster]
  • 2. Same as Cocklebur. [1913 Webster]

Definition of 'clotbur'

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]