American-British / British American Dictionary
URL: http://www.peak.org/~jeremy/dictionary/dict.html
Contact: Online form
Country of Origin: U.S.A.
Description: The purpose of this dictionary is for use by travellers, armchair, virtual, or otherwise. It provides a fun, handy and useful reference for the Briton in America and the American in Britain. The dictionary has two halves: American to British, where the explanation and definitions of American words are in British, and British to American, where British words are explained in American terminology and spellings.

Concordances of Great Books
URL: http://www.concordance.com/
Contact: willprog@mediaone.net
Country of Origin:
Description: This site does a condorance search of great books.

Encyclopaedia Britannica
URL: http://www.britannica.com/
Contact:Online form
Country of Origin: U.K.
Description: The Encyclopaedia Britannica online

LookWAYup dictionary, thesaurus, translation
URL: http://lookwayup.com/free/dictionary.htm
Contact: info@lookwayup.com
Country of Origin: Canada
Description: his 200,000 entry dictionary corrects your spelling, U.S. or international, and gives extensive definitions for all senses of the word, and offers synonyms and related terms for each sense of each word, and translates senses to French, German, Sppanish, Dutch, or Portuguese. Have fun with its Word of the Second. Install on browsers, PDAs, mobile phones.

Notes on American English
URL: http://www.scit.wlv.ac.uk/~jphb/american.html
Contact: Peter Burden - jphb@scit.wlv.ac.uk
Country of Origin: U.K.
Description: Shows differences between American and British spelling of common words

One-Look Dictionaries
URL: http://www.onelook.com/
Contact: Bob Ware - bware@onelook.com
Country of Origin: U.S.A.
Description: Search for a definition from over 700 dictionaries at one time.

RhymeZone Dictionary
URL: http://www.rhymezone.com/
Contact: Online form
Country of Origin: U.S.A.
Description: Type in a word and find its rhymes, synonyms, definitions, and more.

Visual Thesauras
URL: http://www.visualthesauras.com
Contact: Online form
Country of Origin: U.S.A.
Description: A visual thinkmap thesauras.

Webster Dictionary (Search)
URL: http://www.wordcentral.com/index.html
Contact: Online form
Country of Origin: U.S.A.
Description: Online Websters dictionary plus more. Good for kids and adults

Wordsmyth English Dictionary Thesauras
URL: http://www.wordsmyth.net/
Contact: Online form
Country of Origin: U.S.A.
Description: Wordsmyth is an innovative and evolving language reference source that meshes the functions of a dictionary and a thesaurus with powerful and flexible search capabilities.

yourDictionary.com
URL: http://www.yourdictionary.com/
Contact: Online form
Country of Origin: U.S.A.
Description: yourDictionary.com provides the most comprehensive and authoritative portal for language and language-related products and services on the web with more than 1800 dictionaries with more than 250 languages.