It might be my new favorite Financial Dictionary. I liked Investopedia long ago, but they got too annoying for me to use when trying to link to definitions of things I write. I don't want people to suffer that site if they clicked a linked word.
Over 14,000 terms - a comprehensive online financial glossary that empowers individuals with the financial knowledge necessary to understand the basics of investments. This information comes from the world of banking and investing, providing users with thorough and reliable meanings to all the most common, and even uncommon, financial terms.
financial-dictionary.thefreedictionary.com