Source : Free On-Line Dictionary of Computing

short card
     
         A half-length {IBM PC expansion card} or adaptor
        that will fit in one of the two short slots located toward
        the right rear of a standard chassis (tucked behind the
        {floppy disk} drives).
     
        See also: {tall card}.
     
        [What bus?]
     
        [{Jargon File}]
     
        (1998-07-08)