Modius
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
Lat. A measure. Specifically, a Roman dry measure having a capacity of about 550 cubic inches; but in medieval English law used as an approximate translation of the word "bushel."
— Modius terræ vel agri. In old English law. A quantity of ground containing in length and breadth 100 feet.