The lower jaw bone Maxilla: The upper jaw bone Mesial: The surface of the tooth nearest the front of the dental arch Molar: The flat-topped teeth to the rear or posterior part of the mouth and used to grind food The third molar, if present, is the wisdom tooth
{i} lower jaw bone; lower part of a bird's bill; either of a pair of jawlike biting organs in insects
The mandible is the lower jawbone of vertebrates; either of the two parts of a bird's beak; and a pair of horny mouth parts in insects, crustaceans, centipedes, and millipede, assisting in biting and crushing the food