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

Fraxinus \Frax"i*nus\, n. [L., the ash tree.] (Bot.)
   A genus of deciduous forest trees, found in the north
   temperate zone, and including the true ash trees.

   Note: {Fraxinus excelsior} is the European ash; {F.
         Americana}, the white ash; {F. sambucifolia}, the black
         ash or water ash.