/usr/bin/DictionaryReader is in dictionaryreader.app 0+20080616+dfsg-2build7.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/bin/../lib/GNUstep/Applications/DictionaryReader.app/DictionaryReader
/usr/bin/../lib/GNUstep/Applications/DictionaryReader.app/DictionaryReader