Jugerum

The jugerum or juger (Latin: iūgerum, iūgera, iūger, or iugus) was a Roman unit of area, equivalent to a rectangle 240 Roman feet in length and 120 feet in width (about 71×351⁄2m), i.e. 28,800 square Roman feet (Latin: pedes quadratum) or about 1⁄4hectare (0.623 acre).