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cofferdam

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cofferdam


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Cofferdam  \Cof"fer*dam\,  n. 
  A  water-tight  inclosure,  as  of  piles  packed  with  clay,  from 
  which  the  water  is  pumped  to  expose  the  bottom  (of  a  river, 
  etc.)  and  permit  the  laying  of  foundations,  building  of 
  piers,  etc 
 
  From  WordNet  r  1.6  [wn]: 
 
  cofferdam 
  n  :  large  watertight  chamber  used  for  construction  under  water 
  [syn:  {caisson},  {pneumatic  caisson}] 




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