nibble
1. nib.ble \'nib-*l\ \-(*-)lin\ \-(*-)l*r\ vb or nib.bling [origin unknown] 1a: to bite gently 1b: to eat or chew in small bits 2: to take away bit by bit 1: to take gentle, small, or cautious bites 2: to deal with something cautiously - nib.bler n 2. nibble n 1: an act of nibbling 2: a very small quantity