DuckCorp

DuckCorp Dico

(RFC 2229 compliant dictionary server)
more options

Found one definition 

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

    
                
                  
    COSE
       Common Open Software Environment (HP, Sun, IBM, SCO, USL, Univel)