Read the dictionary definition of nibble. All definitions for this word.
1. gentle biting
2. a small byte
3. eat intermittently; take small bites of
1. He pieced at the sandwich all morning
2. She never eats a full meal--she just nibbles
4. bite gently
1. The woman tenderly nibbled at her baby's ear
5. bite off very small pieces
1. She nibbled on her cracker