Dictionary Look-up! "What does that word mean?" With Internet Explorer or Netscape, you can select any word on the page and a new window will open with a definition of that word from the Oxford Advanced Learner's Dictionary. To select a word, just double-click it with your mouse cursor. With some browsers, you can also select a word by dragging across it. When the Dictionary window is open, you can also look up the word in several other dictionaries, encyclopedias and reference books. Try it now. Double-click this word: dictionary Note: the Dictionary Look-up! feature does not work with the new Mac Safari browser.