Modus Vacandi
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
The manner of vacating. How and why an estate has been relinquished or surrendered by a vassal to his lord might well be referred to by this phrase. See Tray. Lat. Max. s. v.