n. 1. The human nervous system, as opposed to computer hardware or software. 2. Human beings (programmers, operators, administrators) attached to a computer system, as opposed to that system's hardware or software.
n. 1) human augmentation mechanisms based on biochemical methods. E.g. biochemical processors, custom crafted DNA, custom biological tissue, brain implants/grafts, mind/body altering drugs (rare). As opposed to hardware which is based on artificial, physics based methods, e.g. chips. 2) Slang for cyber-augmentation of skills or other mental functions. 3) The human brain (a backhanded reference to normal organic thought processes.)