nibble Copy link • nibble: rōdo, si, sum, 3: v. to gnaw. More precisely, arrōdo, 3 (to gnaw or n. at): Cic. Sext. 33, 72 (ar. rempublicam, fig.): Plin. To n. away, corrodo, 3. Cic. to n. all round, circumrodo, 3 to n. the bait all round, cir. escam, Plin. 32, 2, 5 § 12.