INSTRUMENT OF APPEAL
instrument of appeal.Hist. English law. A document used to appeal a judgment of divorce rendered by a trial judge of the Probate, Divorce and Admiralty Division to the full panel of the court. • The use of the instrument of appeal ended in 1881, when appeals were taken to the Court of Appeal rather than the full panel of the Probate, Divorce and Admiralty Division.
[Blacks Law 8th]