资料来源 : Webster's Revised Unabridged Dictionary (1913)

Juglandin \Jug"lan*din\, n. [L. juglans, -andis, a walnut: cf.
   F. juglandine.] (Chem.)
   An extractive matter contained in the juice of the green
   shucks of the walnut ({Juglans regia}). It is used
   medicinally as an alterative, and also as a black hair dye.

Juglandine \Jug"lan*dine\, n.
   An alkaloid found in the leaves of the walnut ({Juglans
   regia}).

Juglone \Ju"glone\, n. [L. juglans the walnut + -one.] (Chem.)
   A yellow crystalline substance resembling quinone, extracted
   from green shucks of the walnut ({Juglans regia}); -- called
   also {nucin}.

Madeira \Ma*dei"ra\, n. [Pg., the Island Madeira, properly,
   wood, fr. L. materia stuff, wood. The island was so called
   because well wooded. See {Matter}.]
   A rich wine made on the Island of Madeira.

         A cup of Madeira, and a cold capon's leg. --Shak.

   {Madeira nut} (Bot.), the European walnut; the nut of the
      {Juglans regia}.

资料来源 : WordNet®

Juglans regia
     n : Eurasian walnut valued for its large edible nut and its hard
         richly figured wood; widely cultivated [syn: {English
         walnut}, {English walnut tree}, {Circassian walnut}, {Persian
         walnut}]