muricidus

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

mūrĭcīdus (murric-), i, m. [perh. mus-caedo, mouse-killer],

a coward, poltroon , as a term of abuse: vae tibi muricide homo, Plaut. Ep. 3, 1, 12; cf. Paul. ex Fest. p. 125 Müll.