Legal terms

There are a number of legal dictionaries online:

Duhaime's Law Dictionary:
http://www.duhaime.org/LegalDictionary.aspx 

Find Law:
http://dictionary.lp.findlaw.com

Nolo’s Plain-English Law Dictionary:
http://www.nolo.com/dictionary

Legal Lexicon's Lyceum:
http://www.lectlaw.com/def.htm