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corythosaur

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corythosaur


  1  definition  found 
 
  From  WordNet  r  1.6  [wn]: 
 
  corythosaur 
  n  :  duck-billed  dinosaur  with  nasal  passages  that  expand  into  a 
  crest  like  a  hollow  helmet  [syn:  {corythosaurus}] 




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