tooth

One of a set of hard, bonelike structures in the jaws of vertebrates, usually rooted in sockets and typically composed of a core of soft pulp surrounded by a layer of hard dentin that is coated with cementum or enamel at the crown and used for biting or chewing food or as a means of attack or defense.

A similar hard projection in an invertebrate, such as one of a set of projections on the hinge of a bivalve or on the radula of a snail.

A projecting part resembling a tooth in shape or function, as on a comb, gear, or saw.

A small, notched projection along a margin, especially of a leaf.

A rough surface, as of paper or metal.

Something that injures or destroys with force.

Effective means of enforcement; muscle.

To furnish (a tool, for example) with teeth.