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Jaw vs Gnathostome - What's the difference?

jaw | gnathostome |

As nouns the difference between jaw and gnathostome

is that jaw is one of the bones, usually bearing teeth, which form the framework of the mouth while gnathostome is (zoology) any vertebrate with jaws, including amphibians, reptiles, mammals, and most modern fish.

As a verb jaw

is to assail or abuse by scolding.

jaw

English

(wikipedia jaw)

Noun

(en noun)
  • One of the bones, usually bearing teeth, which form the framework of the mouth.
  • The part of the face below the mouth.
    • His jaw dropped in amazement.
  • (figuratively) Anything resembling the jaw of an animal in form or action; especially plural, the mouth or way of entrance.
    • the jaws''' of a pass; the '''jaws''' of darkness; the '''jaws of death.
  • A notch or opening.
  • A notched or forked part, adapted for holding an object in place.
    • the jaw of a railway-car pedestal.
  • One of a pair of opposing parts which are movable towards or from each other, for grasping or crushing anything between them.
    • the jaws''' of a vise; the '''jaws of a stone-crushing machine.
  • (nautical) The inner end of a boom or gaff, hollowed in a half circle so as to move freely on a mast.
  • (slang, dated) Impudent or abusive talk.
  • (slang) Axle guard.

    • Derived terms

    * jawbone * jaw-dropping * make someone's jaw drop * slack-jawed

    See also

    * chin

    Verb

    (en verb)
  • To assail or abuse by scolding.
  • To scold; to clamor.
  • (informal) To talk; to converse.
  • (snooker, transitive, intransitive) (of a ball) To stick in the jaws of a pocket.

    • gnathostome

    English

    Noun

    (en noun)
  • (zoology) Any vertebrate with jaws, including amphibians, reptiles, mammals, and most modern fish.
  • * 2009 January 15, Martin D. Brazeau, “The braincase and jaws of a Devonian 'acanthodian' and modern gnathostome origins”, Nature Volume 457 No. 7227, doi:10.1038/nature07436:?
    • Current conceptions of gnathostome phylogeny depict a rather simplistic arrangement of nominally monophyletic and, apparently, morphologically disparate groups.