Popular free dictionary, with thesaurus and translation features.
Grolier Reference Online
Includes American Language Dictionary of the English Language, 4th ed., American Heritage Spanish to English Dictionary, American Heritage English to Spanish Dictionary, Roget's II: The New Thesaurus, 3rd ed., and Encyclopedia Americana.
Note: encyclopedias, dictionaries, atlases
Oxford Language Dictionaries Online
Translations of thousands of Chinese, French, German, Italian, Russian, and Spanish words and phrases.
Note: six languages