Your wiki name is your username. You have to have an account to have a wiki name.
The other websites for wiki are Wikipedia, wikilyrics, wikctionary, and Wikihow.com. That's not including Wikianswers!
WikiAnswers does not stand for anything; Wiki is the first part of the name (meaning the "Wiki Project") and Answers is the last part of the name (as we're part of the Answers.com corporation)
Neither copied the other. Both sites are based on the wiki concept, meaning that anyone can contribute to the content on the sites. There are lots of wiki websites on the internet.
Working a wiki (like WikiAnswers) is very simple.In most wiki websites (like WikiAnswers), there is a simple 'edit' or 'improve' button near an answer. Click to edit the text so you can improve it, and then press 'save', which will save the improvements you made to the text.
WikiAnswers was named by the Answers.com team as "WikiAnswers" as it was a wiki (a website with editable pages) and it was used for answers to questions from the community.
WikiAnswers is a wiki, your question is meaningless.
This website? It is called "Answers.com" or "WikiAnswers" and it was created by "Wiki"
WikiTree is a combination of wiki or wiki wiki, which is a type of online collaboration you can see here on WikiAnswers, and tree for family tree.
my screen name on wiki answers is Gsrg(Good,Sweet,Right,Great)
Translation: Merci, WikiAnswers. WikiAnswers is a name so it does not translate. I guess in theory you could call it "Wiki-Réponses" but I've never seen that.
WikiAnswers it not a search engine, it is an online Q&A website. A search engine provides links to other websites; WikiAnswers and Answers.com aims to answer your questions directly, through a Wiki-based system.