aurea

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

aurĕa, ae, f. [auris],

the bridle of a horse : aureas dicebant frenos, quibus equorum aures religantur, Paul. ex Fest. p. 27 Müll.; cf. id. ib. s. v. aureax, p. 8.