v. t. [ imp. & p. p. Knabbed p. pr. & vb. n. Knabbing. ] [ See Nab, v. t., and cf. Knap, v. t. ] 1. To seize with the teeth; to gnaw. “Knabbing crusts.” [ Obs. ] L'Estrange. [ 1913 Webster ]

2. To nab. See Nab, v. t. [ Colloq. ] [ 1913 Webster ]

v. i. [ Freq. of knab. ] To bite or nibble. [ Obs. ] [ 1913 Webster ]

Horses will knabble at walls, and rats gnaw iron. Sir T. Browne. [ 1913 Webster ]