mangel-wurzel

from WordNet (r) 3.0 (2006)

mangel-wurzel
    n 1: beet with a large yellowish root; grown chiefly as cattle
         feed [syn: {mangel-wurzel}, {mangold-wurzel}, {mangold},
         {Beta vulgaris vulgaris}]
    2: cultivated as feed for livestock

from The Collaborative International Dictionary of English v.0.48

Mangel-wurzel \Man"gel-wur`zel\, n. [G., corrupted fr.
   mangoldwurzel; mangold beet + wurzel root.] (Bot.)
   A kind of large field beet ({Beta macrorhiza}), used as food
   for cattle, -- by some considered a mere variety of the
   ordinary beet. See {Beet}. [Written also {mangold-wurzel}.]
   [1913 Webster]
   [1913 Webster]