Collins dictionary
Free access to German - English, English - German, English - Spanish and Spanish - English
Dictionaries from Gyldendal
English - Danish and Danish English
InterActive terminology for Europe
The European Union's term database - translates into many languages
Merriam-Webster
English dictionary
Ordbogen.com
English-Danish and Danish-English, Clinical dictionary, Danish - Arabic and Arabic - Danish dictionary
PONS
Free access to many languages.