from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The part of the face below the mouth; the jaw.
  • n. Specifically, the bone therein; the mandible of humans and other vertebrates that, with the cranium, composes the skull.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the jaw in vertebrates that is hinged to open the mouth


Sorry, no etymologies found.


  •     The skull's lupine lower jaw jutted forward, ending in a handful of fangs.

    The Brothers' War

  • The sutures of the jaws of the fish enable it to accommodate its grip to the various sizes of limpets, and to take a fair and square hold, while the lower jaw seems to act as a fulcrum when the leverage is applied.

    The Confessions of a Beachcomber

  • Though the teeth in the extraordinary mouth were flat and designed for masticating vegetation, the two short horns that tipped both the upper and lower jaw looked sharp enough to do real damage.

    Running from the Deity

  • Putting one hand inside his mouth, Gramont moved his lower jaw back and forth several times as though limbering it up.


  • The Ethiopian race includes the inhabitants of Africa except the Caucasian Africans in the north; the skull is dolichocephalic, the forehead full, the cheek-bones prominent, the nostrils wide, the alveolar arch narrow and prominent, the jaws prognathous, and the lower jaw large and strong.

    The Catholic Encyclopedia, Volume 12: Philip II-Reuss

  • He pulled the cigarette from his mouth, ground it out on the tabletop, and leaned forward, hands warped into claws, lower jaw extended prognathically.

    Over the Edge

  • Its lower jaw was set back to make sucking up bottom trash easier, and its back was greeny black and gritty-looking.

    Cold Mountain

  • Your news about the lower jaw made me burst out into such an exclamation that all the salle-a-manger heard me!

    The Life and Letters of Thomas Henry Huxley

  • At the same time it rapidly moved its lower jaw or lips in a spasmodic manner, the teeth being exposed; but the noise produced was hardly more distinct than that which we sometimes call silent laughter.

    The expression of the emotions in man and animals

  • In another bowl -- the cup-shaped piece from the lower jaw of a large deer -- she crushed clover leaves, measured out a quantity of powdered hops into her hand, tore the alder bark into shreds, and poured boiling water over it.

    The Clan of the Cave Bear


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