:GOSMACS: /goz'maks/ [contraction of `Gosling EMACS'] n. The first
{EMACS}-in-C implementation, predating but now largely eclipsed by
{GNUMACS}. Originally freeware; a commercial version is now
modestly popular as `UniPress EMACS'. The author (James Gosling)
went on to invent {NeWS}.
-- The AI Hackers Dictionary
heavyweight: adj. High-overhead; {baroque}; code-intensive
featureful, but costly. Esp. used of communication protocols,
language designs, and any sort of implementation in which maximum
generality and/or ease of implementation has been pushed at the
expense of mundane considerations such as speed, memory
utilization, and startup time....