cor-rōdo (conr-), si, sum, 3,
v. a., to gnaw, gnaw to pieces (very rare): Platonis Politiam (mures), Cic. Div. 2, 27, 59 ter : ossa, * Juv. 15, 80.
corrōdō (conr-) sī, sus, ere com- + rodo, to gnaw, gnaw to pieces : scuta: ossa, Iu.— To wear away...
An Elementary Latin Dictionary