1. Any hardware requiring raised flooring and special power. Used
especially of old minis and mainframes, in contrast with newer
microprocessor-based machines. In a famous quote from the 1998 Unix EXPO,
Bill Joy compared the liquid-cooled mainframe in the massive IBM display
with a grazing dinosaur with a truck outside pumping its bodily
fluids through it
. IBM was not amused. Compare
big iron; see also mainframe.
2. [IBM] A very conservative user; a zipperhead.