Black's Law Dictionary (2nd edition)dictionaries

Dedimus Fotestatem De At-Torno Faciendo

In old Eugllsh prac-tice. A writ, issued by royal authority, empowering an attorney to appear for a defeud-aut. Prior to tlie statute of westmiuster 2, a party could not appear in court by attor-ney without this writ

Source: Black’s Law Dictionary 2nd Ed (1910)