Nibble
Nibble , transitive verb
[Compare Nip.]
To bite by little at a time; to seize gently with the mouth; to eat slowly or in small bits.
Thy turfy mountains, where live nibbling sheep.
Nibble , transitive verb
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.
Instead of returning a full answer to my book, he manifestly falls a-nibbling at one single passage.
nibble , noun
1.
A small or cautious bite.
2.
An expression of interest, often tentative, as at the beginning of a sale or negotiation process. [Figurative]