search-engines-web.com writes: "Welcome to Merriam-Webster's Open Dictionary, where you can 1) submit and share entries that aren't already in our Online Dictionary, and 2) browse entries submitted by other members of the Merriam-Webster Online community. Use the submit form to create an entry for a new word or sense. Your word -- complete with definition, example sentence, and your name if you choose! -- will be instantly added to Merriam-Webster's Open Dictionary and displayed in the Most Recent Entries listing above." There's some interesting entires already.