Good questions on StackExchange should show prior research. There are a number of other sites that are good sources for "What does *** mean?" (I feel like Wikipedia is really good for technology or broad gaming industry terms, and something like UrbanDictionary for more game or genre specific slang and meme type questions). There have been a couple terminology questions asked recently that could very easy have been found out from what I feel would be a very intuitive Google search, which would lead to one of these sites in the first couple hits.
Given all these other resources, I tend to think the terminology tag is really just down-vote bait. Is there something I'm missing that would separate a good terminology question from something that can easily be researched from elsewhere?