A small bite or morsel of food. She took a nibble of the cookie before deciding if she wanted more.
A small amount of something, especially food, that is eaten between meals. He had a few nibbles of cheese and crackers at the party.
A slight or tentative interest in something. The company received a nibble from a potential investor.
In computing, a group of four bits; half of a byte. Each hexadecimal digit represents one nibble, or four bits.