Swietenia Mahogoni

from The Collaborative International Dictionary of English v.0.48
Mahogany \Ma*hog"a*ny\, Mahogany tree \Ma*hog"a*ny tree`\, n.
   [From the South American name.]
   1. (Bot.) A large tree of the genus {Swietenia} ({Swietenia
      Mahogoni}), found in tropical America.
      [1913 Webster]

   Note: Several other trees, with wood more or less like
         mahogany, are called by this name; as, African mahogany
         ({Khaya Senegalensis}), Australian mahogany
         ({Eucalyptus marginatus}), Bastard mahogany ({Batonia
         apetala} of the West Indies), Indian mahogany ({Cedrela
         Toona} of Bengal, and trees of the genera {Soymida} and
         {Chukrassia}), Madeira mahogany ({Persea Indica}),
         Mountain mahogany, the black or cherry birch ({Betula
         lenta}), also the several species of {Cercocarpus} of
         California and the Rocky Mountains.
         [1913 Webster]

   2. The wood of the {Swietenia Mahogoni}. It is of a reddish
      brown color, beautifully veined, very hard, and
      susceptible of a fine polish. It is used in the
      manufacture of furniture.
      [1913 Webster]

   3. A table made of mahogany wood. [Colloq.]
      [1913 Webster]

   {To be under the mahogany}, to be so drunk as to have fallen
      under the table. [Eng.]

   {To put one's legs under some one's mahogany}, to dine with
      him. [Slang]
      [1913 Webster]
    
from The Collaborative International Dictionary of English v.0.48
Madeira wood \Madeira wood\ (Bot.)
   (a) The mahogany tree ({Swietenia Mahogoni}).
   (b) A West Indian leguminous tree ({Lysiloma Latisiliqua})
       the wood of which is used for boat trimming.
       [Webster 1913 Suppl.]
    

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