Yesterday's term was champerty , which is defined as:
n. an agreement between the party suing in a lawsuit (plaintiff) and another person, usually an attorney, who agrees to finance and carry the lawsuit in return for a percentage of the recovery (money won and paid). In common law this was illegal on the theory that it encouraged lawsuits. Today it is legal and often part of a "contingent fee" agreement between lawyer and client. It is not the same as barratry, which is active encouragement of lawsuits. See also: barratry contingent fee.
Both Slickdpdx and Joltbklyn were close. Based upon their comments, I italicized the portion of the definition regarding the term "barratry."
Today's term is:
Hop to it, my Latin-scholar-readers. Everyone else is welcome to guess as well, but as always, no dictionaries.