fraxinus

from The Collaborative International Dictionary of English v.0.48

Fraxinus \Frax"i*nus\, prop. n. [L., the ash tree.] (Bot.)
   A genus of deciduous forest trees, found in the north
   temperate zone, and including the true ash trees.
   [1913 Webster]

   Note: {Fraxinus excelsior} is the European ash; {Fraxinus
         Americana}, the white ash; {Fraxinus sambucifolia}, the
         black ash or water ash.
         [1913 Webster]