daikon

from WordNet (r) 3.0 (2006)

daikon
    n 1: radish of Japan with a long hard durable root eaten raw or
         cooked [syn: {radish}, {daikon}, {Japanese radish},
         {Raphanus sativus longipinnatus}]

from The Collaborative International Dictionary of English v.0.48

daikon \daikon\ n.
   a radish of Japan ({Raphanus sativus longipinnatus}) with a
   long hard durable root eaten raw or cooked.

   Syn: Japanese radish, {Raphanus sativus longipinnatus}.
        [WordNet 1.5]