Uncia
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
The twelfth part of the Roman as. Dess. Diet, du Dig. "As." The as was one-twelfth of a pound, i. e., an ounce.
Id.; 2 BL Comm. 462, note (m).
UNCIA TERRAE (Lat.) This phrase often occurs in charters of the British kings, and denotes some quantity of land. It was twelve modii, each modius possibly one hundred feet square. Mon. Angl. torn.
3, pp. 198, 205.