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catechu

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catechu


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Catechu  \Cat"e*chu\,  n.  [See  {Cashoo}.]  (Chem.) 
  A  dry,  brown,  astringent  extract,  obtained  by  decoction  and 
  evaporation  from  the  {Acacia  catechu},  and  several  other 
  plants  growing  in  India.  It  contains  a  large  portion  of 
  tannin  or  tannic  acid,  and  is  used  in  medicine  and  in  the 
  arts.  It  is  also  known  by  the  names  {terra  japonica}, 
  {cutch},  {gambier},  etc  --Ure.  --Dunglison. 
 
  From  WordNet  r  1.6  [wn]: 
 
  catechu 
  n  1:  extract  of  the  heartwood  of  Acacia  catechu  used  for  dying 
  and  tanning  and  preserving  fishnets  and  sails;  formerly 
  used  medicinally  [syn:  {black  catechu}] 
  2:  East  Indian  spiny  tree  having  twice-pinnate  leaves  and 
  yellow  flowers  followed  by  flat  pods;  source  of  black 
  catechu  [syn:  {Jerusalem  thorn},  {Acacia  catechu}] 




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