septunx
From LSJ
Latin > English (Lewis & Short)
septunx: uncis, m. septem-uncia; cf. Varr. L. L. 5, § 171 Müll..
I Lit., seven twelfths of a whole (v. as, 1.): jugeri, Col. 5, 1, 11; Liv. 5, 24, 4: auri, seven ounces, id. 23, 19, 16.—
II Transf., seven things of a kind, seven pieces, etc.; hence, in drinking, seven cups, Mart. 8, 51, 25; 3, 82, 29.