Source : Free On-Line Dictionary of Computing

womb box
     
        1. [TMRC] Storage space for equipment.
     
        2. [proposed] A variety of hard-shell equipment case with
        heavy interior padding and/or shaped carrier cutouts in a
        foam-rubber matrix; mundanely called a "flight case".  Used
        for delicate test equipment, electronics, and musical
        instruments.
     
        [{Jargon File}]