Lewis Short
dūpondĭus | dŭpondĭum, ii | dĭpon-dĭum (noun M.n) : m., or , (cf. Varr. L. L. 9, 49, § 81; also, , Gromat. Vet. p. 28, 14; p. 167, 11), n. duo-pondus
* The sum of two asses.
* As a coin, Varr. L. L. 5, § 169; 9, § 81 Müll.; Plin. 33, 3, 13, § 42; Cic. Quint. 16, 53; Petr. 14, 3 al.
* Transf., need, want, Petr. 58, 13.
* As a measure, two feet, Col. 3, 13, 5; 3, 15, 2 et saep.
Charlton T. Lewis, Charles Short, A Latin Dictionary