Acronym Dictionary: Acronym or abbreviation search box.
World Wide Web Acronym and Abbreviation:
List of acronyms and abbreviations.
AllWords: This dictionary website will lookup a word in many languages, as well as, translate them into the following languages; English, Italian, Spanish, French, German and Dutch!!
Bartleby: Provides free access to books on web.
Cambridge Dictionaries: This dictionary is geared towards teaching the English language to people around the world. It has links to French/English, Spanish/English and idioms as well as many other sources.
Information Please Dictionary: Online dictionary and encyclopedia
Merriam-Webster: Based on the Webster 10th Collegiate edition, 1993. More than 160,000 entries. Each word is accompanied by definition, pronunciation, usage, grammatical function, and a brief etymology.
Oxford English Dictionary: authority on the evolution of the English language over the last millennium. It is an the authority on word meaning, history, and pronunciation.
Quotation Dictionary: Searchable quotations with author and subject indexes of political leaders, authors, and literature.
Rhyming Dictionary: Find words that rhyme.