An embryonic list of solid, quirky, or interesting language-related sites. I’m always eager to add more, so please send recommendations to firstname.lastname@example.org.
The Phrase Finder (reliable source for definitions and origins)
Urban Dictionary (Contemporary slang, definitions contributed by users)
Sharpened.net (Computer terms)
Law.com legal dictionary
Duhaime.org legal dictionary
Modern Medical Dictionaries (new medical terms)