Nib"ble (?), v. t. [imp. & p. p. Nibbled (?); p. pr. & vb. n. Nibbling (?).] [Cf. 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.

Nib"ble, v. t. 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.

Nib"ble, n. A small or cautious bite.

• A small, quick bite taken with the front teeth.
  
• (in plural, nibbles): Small snacks such as crisps/potato chips or nuts, often eaten to accompany drinks.
  
• (Transitive): To small, quick bites.
       The rabbit nibbled the lettuce.
  
• (US): A unit of memory equal to a quarter of a byte, or two bits.
  
• (UK): A unit of memory equal to half a byte, or four bits.