wok-on-the-wall = W = WOMBAT

womb box n.

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.

--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.