Anatine
Dictionaries

http://www-math.uni-paderborn.de/
dictionaries/Dictionaries.html

http://www.geocities.com/reference_links_au/
The (non-cryptic) Crossword Solvers - Free Online Reference Links.

http://www.dictionary.com

http://www.artlex.com/
ArtLex art dictionary.

http://www.getty.edu/research/tools/
vocabulary/aat/index.html
Art and Architecture Thesaurus On Line.

http://www.getty.edu/research/tools/vocabulary/tgn/
Getty Thesaurus of Geographic Names On Line.

http://www.bartleby.com/81/
Brewer's dictionary of phrase and fable.

http://dictionary.cambridge.org/
Cambridge Dictionaries Online.

http://www.worldwidewords.org/
World Wide Words.

http://www.acronymfinder.com/
Acronyms and Abbreviations.

http://www.biography.com/
Biography.com.

http://www.s9.com/biography/
Biographical Dictionary.

http://www.duc.auburn.edu/~johnspm/glossind.html
A Glossary of Political Economy Terms.

http://allserv.rug.ac.be/~rvdstich/eugloss/welcome.html
Multilingual Glossary of technical and popular medical terms in nine European Languages.

http://www.graylab.ac.uk/omd/
On-Line Medical Dictionary.

http://www.techweb.com/encyclopedia/
TechWeb - Technical Encyclopedia.

http://www.wcsu.edu/library/odlis.html
Online Dictionary of Library and Information Science.

http://wordreference.com/
WordReference.

http://www.logos.it/dictionary/owa/sp?lg=EN
LOGOS Dictionary.

http://www.rapdict.org/
The Rap Dictionary.

http://www.transparent.com/languagepages/languages.htm
Transparent Language.

http://gnswww.nima.mil/geonames/GNS/index.jsp
Geographic Names.

http://www.merriam-webster.com/
Merriam-Webster Online.

http://www.rhymezone.com/
RhymeZone.

http://stommel.tamu.edu/~baum/paleo/
paleogloss/paleogloss.html
Glossary of Oceanography and the Related Geosciences with References.

http://biotech.icmb.utexas.edu/search/dict-search.html
Biotech - Life Science Dictionary.

http://www.pseudodictionary.com/
Made-up words.  Not useful, but good for a laugh.

http://www.animatedsoftware.com/statglos/statglos.htm
Internet Glossary of Statistical Terms.

http://www.cas.lancs.ac.uk/glossary_v1.1/main.html
Statistics Glossary.

http://www.bartleby.com/62/
Roget's Thesaurus.

http://www.lexfn.com/
Lexical FreeNet Connected thesaurus.

http://www.thesaurus.com/
Thesaurus.com.

http://humanities.uchicago.edu/forms_unrest/ROGET.html
ARTFL Project - ROGET'S Thesaurus Search Form.

http://www.cogsci.princeton.edu/~wn/online/
WordNet Online.

http://www.wordsmith.org/
Wordsmith.org.

http://www.wordsmyth.net/
Wordsmyth.

http://www.unc.edu/~rowlett/units/
A Dictionary of Units of Measurement.

http://members.tripod.com/~itsmagic/ETYMOLGY.HTML
Etymology.

http://www.geocities.com/SouthBeach/4195/words.htm
Etymology - the Science of Word Histories.

http://www.io.com/gibbonsb/words.words.words.html
Nautical Expressions in the Vernacular.

http://members.aol.com/MorelandC/Phrases.htm
Origin of Phrases.

http://www.onelook.com/
OneLook Dictionary Search.

http://english2american.com/
The English to American Dictionary.

http://www.glossarist.com/
Directory of Glossaries.

http://www.ex.ac.uk/cimt/dictunit/dictunit.htm
A Dictionary of Units.