DuckCorp

DuckCorp Dico

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Found one definition 

  1.                 From English - Polish Piotrowski+Saloni/FreeDict dictionary ver. 0.2:
                

    
                
                  
    obtuse /əbˈtju:s/ <Adj>
 1.  tępy
 2.  [termin]  [kąt]  rozwarty