Lewis Short
(adjective) : bracchĭālis (brāch-), e, bracchium
* Of or belonging to the arm: nervus,Plaut. Poen. 5, 4, 99: crassitudo,the thickness of an arm,Plin. 17, 17, 27, § 123: torques,Vop. Aur. 7.—Hence
* Subst.: bracchĭāle, is, n. (sc. ornamentum): argenteum,Plin. 28, 7, 23, § 82 sq.; 25, 10, 80, § 129; 32, 1, 3, § 8; and bracchĭālis, is, m. (sc. torques), Treb. Claud. 14, 5 (class. armillae); an armlet, bracelet; cf. Prisc. p. 1220 P.
Charlton T. Lewis, Charles Short, A Latin Dictionary