To bite by little at a time; to eat slowly or in small bits. So sheep are said to nibble the grass.

To bite, as a fish does the bait; to carp at; just to catch by biting.

To bite at; as, fishes nibble at the bait.

To carp at; to find fault; to censure little faults. Instead of returning a full answer to my book, he manifestly nibbles at a single passage.

A little bite, or seizing to bite.