DuckCorp Dico

Found one definition

1.                 From The Jargon File (version 4.4.7, 29 Dec 2003):
                   
   
   
                   
                     
   K
    /K/, n.
       [from kilo-] A kilobyte. Used both as a spoken word and a written suffix
       (like meg and gig for megabyte and gigabyte). See quantifiers.