[1] : The Collaborative International Dictionary of English v.0.48

weeping willow \weep"ing wil"low\ bot.
   a tree salix babylonica of the willow family with slender
   leaves, native to china, whose branches grow very long and
   slender, and hang down almost perpendicularly. it grows best
   where soil is moist, as by the banks of streams and is widely
   cultivated as an ornamental tree.

   syn: babylonian weeping willow. pjc
see also:
salix babylonica 

[2] : WordNet (r) 2.0

salix babylonica
     n : willow with long drooping branches and slender leaves native
         to china; widely cultivated as an ornamental syn: weeping
         willow, babylonian weeping willow
see also:
weeping willow babylonian weeping willow 

Salix >> S Words
Salix, definition of term: Salix
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Salix Blanda >> S Words
Salix Blanda, definition of term: Salix Blanda
salix+blanda_pag1.html