DuckCorp

DuckCorp Dico

(RFC 2229 compliant dictionary server)
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Found one definition 

  1.                 From The Free On-line Dictionary of Computing (19 January 2023):
                

    
                
                  
    SPADE
    

       Specification Processing And Dependency Extraction.
   Specification language.  G.S. Boddy, ICL Mainframes Div,
   FLAG/UD/3DR.003