Sunday's term was gravamen, which is defined as:
n. Latin for "to weigh down," the basic gist of every claim (cause of action) or charge in a complaint filed to begin a lawsuit. Example: in an accident case, the gravamen may be the negligence of the defendant, and in a contract case, it may be the breach of the defendant.
Both Edward Wiest and Eye got it right!
Today's term is:
As always, no dictionaries, please.