DuckCorp Dico

Found one definition

1.                 From The Free On-line Dictionary of Computing (19 January 2023):
                   
   
   
                   
                     
   macro-
      Prefix large.  Opposite of micro-.  In the mainstream and
      among other technical cultures (for example, medical people)
      this competes with the prefix mega-, but hackers tend to
      restrict the latter to quantification.
      [Jargon File]