Lewis Short
dentĭfrangĭbŭlus | -um, i (noun M.n) : m., and , , n.dens-frango
* A tooth-breaker, a comic word in Plautus. *
* Masc., one who knocks out teeth, Plaut. Bac. 4, 2, 23.— *
* N. pl. (sc. instrumenta), the fist, id. ib. 14.
Charlton T. Lewis, Charles Short, A Latin Dictionary