Obs. In 7 knaple. [Frequentative of KNAP v.2: see -LE and cf. KNABBLE.] To bite shortly and repeatedly; to nibble.

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1611.  Cotgr., Grignoter,… to gnaw, knaple, or nible away.

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1847–73.  Halliwell, Knapple, to bite, or nibble. North.

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