clotbur

from WordNet (r) 3.0 (2006)

clotbur
    n 1: any of several erect biennial herbs of temperate Eurasia
         having stout taproots and producing burs [syn: {burdock},
         {clotbur}]

from The Collaborative International Dictionary of English v.0.48

Clotbur \Clot"bur`\, n. [Cf. {Clote}.]
   1. The burdock. [Prov. Engl.] --Prior.
      [1913 Webster]

   2. Same as {Cocklebur}.
      [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

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]

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