ferricrepinus

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

ferrĭcrĕpĭnus, a, um, adj. [ferrum + crepo],

resounding with the clanking of irons or fetters; comically formed: apud fustitudinas ferricrepinas insulas, i. e. ergastula, Plaut. As. 1, 1, 18.