† ˈfieffal,a.Obs.rare. [f. as prec. + -al1.] Of or pertaining to a fief. 1738Hist.Crt. Excheq. i. 3 The Fieffal is the feudal Jurisdiction, by the Reason of the Fieffs, that is, where the feudal Lord had power to do Right to his Tenants upon any Complaints.