Single words. The coverage depends on what users have added. Words are linked to a thesaurus where they can be seen in context, and sometimes to images, conjugations etc. Always worth a try.

there are more than 209.000 revised translations in this dictionary. Download the new version 3.8 here reg. Windows version 3.8 with >720.000 translations

Don't bash Babel Fish and other free automatic translation services: they are invaluable tools to get the gist of a text in a language you don't know. And then Babel Fish comes from Douglas Adams' great novel, "The Hitchikers' Guide to the Galaxy".

Includes automatic translation of copy-pasted text and whole web pages.