Allow your web site visitors to double-click on any word on your site to pull up a concise definition of that word, along with sample usage, synonyms, antonyms, and much more. A tastefully designed DHTML layer will appear with the definition - so your visitors will never have to leave your site! They just close the box and can continue to browse your web site.All you need to do is copy one line of javascript to your site and the rest will work automatically.