Lewis Short
(verb) : prae-rōdo, no
* Perf., sum, 3
* To gnaw in front, to gnaw at the end or tip (poet. and in post-Aug. prose): digitos suos,Plaut. Ps. 3, 2, 93: teneros pampinos,Col. Arbor. 15.
* To gnaw, bite, or nibble off: praeroso hamo,Hor. S. 2, 5, 25: praerosa dentibus lingua,Plin. 7, 23, 23, § 87: conger et muraena caudas inter se praerodentes,id. 9, 62, 88, § 185.
Charlton T. Lewis, Charles Short, A Latin Dictionary