Dictionary plugin for Xfce4 panel

 This program allows you to search different kinds of dictionary services for
 words or phrases and shows you the result. Currently you can query a Dict
 server (RFC 2229), any online dictionary service by opening a web browser or
 search for words using the aspell/ispell program.
 .
 xfce4-dict contains a stand-alone application called “xfce4-dict” and a panel
 plugin for the Xfce panel.