Dictionary.Cambridge.org: The Cambridge Learner's Dictionary. The Cambridge Learner's Dictionary is a major new dictionary for intermediate students. It is completely up to date because it is based on the 500 million word database of the Cambridge International Corpus, ensuring that it meets the needs of today's learners.
Encarta.MSN.com: Encarta World English Talking Dictionary. Enter a search term above and find dictionary definitions and thesaurus results * from Encarta.