tooth

noun

1. hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense

Definition categories: body, bone

2. something resembling the tooth of an animal

Definition categories: man–made, projection

3. toothlike structure in invertebrates found in the mouth or alimentary canal or on a shell

Definition categories: animal, structure

4. a means of enforcement

Definition categories: act, agency, means, way

5. one of a number of uniform projections on a gear

Definition categories: man–made, projection

verb

1. To provide or furnish with teeth.

2. To indent; to jag.

- to tooth a saw

3. To lock into each other, like gear wheels.