QDictionary 1.6

QDictionary allows Windows Internet Explorer users to highlight words and get their definitions or look them up in the Thesaurus using the selection's right-click context menu. QDictionary currently only supports English words.

You can use QDictionary to lookup defintions for words you find on any page on the Web. QDictionary also provides Thesaurus functionality using the "Thesaurus" option in the selection's context menu.