Open English Wordnet
Nouns
(n)toothhard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense (n)toothsomething resembling the tooth of an animal (n)toothtoothlike structure in invertebrates found in the mouth or alimentary canal or on a shell (n)tootha means of enforcement“the treaty had no teeth in it” (n)toothone of a number of uniform projections on a gear