In Office 2003, Microsoft has introduced the Research Service, a means of easily researching items, phrases, and information directly from any Office product. The research option is quite simple to use. Just select any word in a message body, right-click your selection, and select the Look Up menu option. You'll see a window on the right side of the message with the applicable the research options. You can use this feature not just with messages that you received, but with messages that you're writing.
Start a new e-mail message.
In the body of the message, type the words quid pro quo and select the words with your mouse.
Right-click the selected text and click the Look Up menu option. ...