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):
                

    
                
                  
    hat
    

       A common (spoken) name for the circumflex ("^", ASCII 94)
   character.
    

       See ASCII for other synonyms.
    

       [Jargon File]