1. 
   Xanthoxylum
   Xan·thox'y·lum noun [ New Latin , from Greek xanqo`s yellow + xy`lon wood.] (Botany) A genus of prickly shrubs or small trees, the bark and rots of which are of a deep yellow color; prickly ash. » The commonest...
   Found op http://www.encyclo.co.uk/webster/X/1
   
   
2. 
   xanthoxylum
   <botany> A genus of prickly shrubs or small trees, the bark and rots of which are of a deep yellow colour; prickly ash. ... The commonest species in the Northern United States is Xanthoxylum Americanum. See Prickly ash, under Prickly. ... Origin: NL, from Gr. Xanqos = yellow + xylon wood. ... ...
   Found op http://www.mondofacto.com/facts/dictionary?xanthoxylum
   
   
3. 
   Xanthoxylum
   • (n.) A genus of prickly shrubs or small trees, the bark and rots of which are of a deep yellow color; prickly ash.
   Found op http://thinkexist.com/dictionary/meaning/xanthoxylum/
   
   

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