Ding is a Dictionary lookup program for the X window system (Linux,
Unix - not for Mac or MS Windows). It comes with a German-English
Dictionary with approximately 270,000 entries.

It is based on Tk version >= 8.3 and uses the agrep or egrep tools 
for searching. It has many configuration options, such as search 
preferences, interface language (English or German), colors.

It has history and help functions and comes with useful key
and mouse bindings for quick and easy lookups.