citron

from WordNet (r) 3.0 (2006)
citron
    n 1: large lemonlike fruit with thick aromatic rind; usually
         preserved
    2: thorny evergreen small tree or shrub of India widely
       cultivated for its large lemonlike fruits that have thick
       warty rind [syn: {citron}, {citron tree}, {Citrus medica}]
    
from The Collaborative International Dictionary of English v.0.48
Citron \Cit"ron\ (s[i^]t"r[u^]n), n. [F. citron, LL. citro, fr.
   L. citrus citron tree (cf. citreum, sc. malum, a citron),
   from Gr. ki`tron citron]
   1. (Bot) A fruit resembling a lemon, but larger, and
      pleasantly aromatic; it is produced by the citron tree
      ({Citrus medica}). The thick rind, when candied, is the
      citron of commerce. The fruit was once called the {lime}.
      [1913 Webster]

   2. A citron tree, {Citrus medica}.
      [1913 Webster]

   3. A citron melon.
      [1913 Webster]

   {Citron melon}.
      (a) A small variety of muskmelon with sugary greenish
          flesh.
      (b) A small variety of watermelon, whose solid white flesh
          is used in making sweetmeats and preserves.

   {Citron tree} (Bot.), the tree which bears citrons. It was
      probably a native of northern India, and is now understood
      to be the typical form of {Citrus Medica}.
      [1913 Webster]
    

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