What is the meaning of teeth?

noun

• The kind and number and arrangement of teeth (collectively) in a person or animal.
  • synonyms: dentition
• Hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense.
  • synonyms: tooth
• Something resembling the tooth of an animal.
  • synonyms: tooth
• Toothlike structure in invertebrates found in the mouth or alimentary canal or on a shell.
  • synonyms: tooth
• A means of enforcement.
  • usage: "the treaty had no teeth in it"
  • synonyms: tooth
• One of a number of uniform projections on a gear.
  • synonyms: tooth