Biter (noun)

1. A person or animal that bites.
2. Something that makes biting motions or causes a biting sensation.

Origin:

Middle english: from old english bitere, from bitan "to bite".

Examples:

1. The dog was a biter and had a history of biting people.
2. He was a biter of his nails, a bad habit he had picked up as a child.
3. The biter insect caused a burning sensation on the skin.
4. The biter fish had sharp teeth and a strong jaw.
5. The biter cold wind made it hard to be outside for long.