Bicuspid, molar, or incisor

noun

1. One of the hard bony appendages that are borne on the jaws or in many of the lower vertebrates on other bones in the walls of the mouth or pharynx and serve especially for the prehension and mastication of food and as weapons of offense and defense
2. Any of various usually hard and sharp processes especially about the mouth of an invertebrate
3. Any of the regular projections on the circumference or sometimes the face of a wheel that engage with corresponding projections on another wheel especially to transmit force cog
4. A small sharp-pointed marginal lobe or process on a plant
5. Effective means of enforcement

   "drug laws with teeth"

6. Something that injures, tortures, devours, or destroys

   "jealousy with rankling tooth"

7. Taste, liking
8. A roughness of surface produced by mechanical or artificial means

adverb

1. With every available means all out

   "fight tooth and nail"

noun

1. A fairy believed by children to leave money while they sleep in exchange for a tooth that has come out

noun

1. A powder for cleaning the teeth

noun

1. Any of a class (Scaphopoda) of burrowing marine mollusks with a tapering tubular shell

noun

1. A temporary tooth of a young mammal that in human dentition includes four incisors, two canines, and four molars in each jaw milk tooth, deciduous tooth

   "If one of my sisters or brothers or I lost a baby tooth, we always put it in an envelope under our pillow."

noun

1. Any of the molar or premolar teeth

noun

1. A temporary tooth of a young mammal that in human dentition includes four incisors, two canines, and four molars in each jaw baby tooth, milk tooth

   "Occasionally, cats are born with duplicate or missing teeth, but the most common developmental problem is retained deciduous teeth …"

noun

1. A hard sharp prominence on the beak of an unhatched bird or the nose of an unhatched reptile that is used to break through the eggshell