What is Record Of Nisi Prius?

Legal Definition
Eng. law. A transcript from the issue roll; it contains a copy of the pleadings and issue. Steph. Pl. 105.
-- Bouviers Law Dictionary
Legal Definition
In English law. An official copy or transcript of the proceedings in an action, entered on parchment and "sealed and passed," as it is termed, at the proper office; it serves as a warrant to the judge to try the cause, and is the only document at which he can judicially look for information as to the nature of the proceedings and the issues joined. Brown.
-- Black's Law Dictionary