jargon.artrocity.com
New Hacker's Dictionary the Jargon File v 4.4.6
[prob.: from the novels of Rudy Rucker]
1. The human nervous system, as opposed to computer hardware or software. “Wetware has 7 plus or minus 2 temporary registers.”
2. Human beings (programmers, operators, administrators) attached to a computer system, as opposed to the system's hardware or software. See liveware, meatware.