Frank Fee
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
Lands not held in ancient demesne. Called "lands pleadable at common law." Reg. Orig. 12, 14; Pitzh. Nat. Brev. 161; Termes de la Ley. That which a man holds to himself and ' his heirs, and not by such service as is required in ancient demesne, according to the custom of the manor. The opposite of copyhold.
Cowell.
A fine had in the king's court might convert demesne lands into frank fee.
2 Bl. Comm. 368.