DuckCorp

DuckCorp Dico

(RFC 2229 compliant dictionary server)
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Found one definition 

  1.                 From WordNet (r) 3.0 (2006):
                

    
                
                  
    PKD
    n 1: kidney disease characterized by enlarged kidneys containing
         many cysts; often leads to kidney failure [syn: polycystic
 kidney disease, PKD]