- To bite by little at a time; to seize gently with the
mouth; to eat slowly or in small bits. - To bite upon something gently or cautiously; to eat a
little of a thing, as by taking small bits cautiously; as, fishes
nibble at the bait.
Meaning of 'nibble' (Princeton's WordNet)
1 . nibble
[ v]
Meaning (1): - eat intermittently; take small bites of