teeth

(noun) the kind and number and arrangement of teeth (collectively) in a person or animal. Synonyms: dentition.

(noun) hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense. Synonyms: tooth.

(noun) something resembling the tooth of an animal. Synonyms: tooth.

(noun) toothlike structure in invertebrates found in the mouth or alimentary canal or on a shell. Synonyms: tooth.

(noun) a means of enforcement. Synonyms: tooth. Example: "The treaty had no teeth in it."

(noun) one of a number of uniform projections on a gear. Synonyms: tooth.