gnaw Copy link • gnaw: rōdo, si, sum, 3: mice had g.'d the shield, clipeos mures roserant, Cic.: to g. the nails to the quick, vivos ungues r., Hor. S. 1, 10, 71: Ov. Hence comps.: arrodo, to g. a little, on the edges (v. to nibble): abrodo, to g. off, Plin.: corrodo, to g. all over, Cic.: praerodo, to g. off the end of any thing, Hor. For fig. sense, v. to gall, worry.