DuckCorp

DuckCorp Dico

(RFC 2229 compliant dictionary server)
more options

Found 2 definitions 

  1.                 From V.E.R.A. -- Virtual Entity of Relevant Acronyms (August 2020):
                

    
                
                  
    OSN
       Office System Node (IBM, DIA, OA)
    

    
                
              
  2.                 From V.E.R.A. -- Virtual Entity of Relevant Acronyms (August 2020):
                

    
                
                  
    OSN
       Open Systems Network