<<Online Dictionaries >>

Bilingual DictionaryBilingual Dictionary
http://dict.leo.org/

http://visual.merriam-webster.com/index.php

http://www.pdictionary.com/

The Internet Picture Dictionary

http://www.synonym.com/

Synonyms Thesaurus with Antonyms & Definitions

 
http://www.thefreedictionary.com/

English, Medical, Legal, Financial, and Computer Dictionaries, Thesaurus, Acronyms, Idioms,
Encyclopedia, a Literature Reference Library, and a Search Engine all in one!

Monolingual DictionaryMonolingual Dictionary
http://dictionary.cambridge.org/