Equity, bill in

Definition of Equity, bill in

The name given to the original pleading in an equity case. However, under current rules practice in most states, the "bill” has been replaced by a complaint with the procedural merger of law and equity. Fed.R. Civil P. 2.

That's the definition of Equity, bill in in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.