English

Definition of jaw noun from the Oxford Advanced Learner's Dictionary

     

    jaw

     noun
    noun
    BrE BrE//dʒɔː//
     
    ; NAmE NAmE//dʒɔː//
     
    Mouth and teeth, Face
     
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  1. 1 [countable] either of the two bones at the bottom of the face that contain the teeth and move when you talk or eat the top/upper jaw the bottom/lower jaw See related entries: Mouth and teeth, Face
  2. 2 [singular] the lower part of the face; the lower jaw He has a strong square jaw. The punch broke my jaw.
  3. 3jaws [plural] the mouth and teeth of a person or an animal The alligator's jaws snapped shut.
  4. 4jaws [plural] the parts of a tool or machine that are used to hold things tightly the jaws of a vice
  5. Word Origin late Middle English: from Old French joe ‘cheek, jaw’, of unknown origin.Extra examples A shark can crush a boat with its massive jaws. A spider sank its jaws into my ankle. He fingered his jaw thoughtfully. He had two days’ growth of stubble on his jaw. He rubbed his sore jaw. Her jaw was set, ready for a fight. His jaw jutted stubbornly forward; he would not be denied. My jaw dropped in astonishment when I saw the size of the audience. Pythons open their jaws wide to swallow their prey whole. She dropped her jaw in astonishment. She had a fold of flesh under her jaw. She worked her lower jaw back and forth. The animal’s jaws snapped shut. The antelope could not escape the crocodile’s gaping jaws. The dog had his arm clamped between its jaws. The dog locked its jaws on her leg and wouldn’t let go. The slavering jaws of the guard dog stopped anyone going near. The stern set of the officer’s jaw made Tony realize he was in trouble. a punch to the jawIdioms
    somebody’s jaw dropped/fell/sagged
     
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    used to say that somebody suddenly looked surprised, shocked or disappointed
    the jaws of death, defeat, etc.
     
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    (literary) used to describe an unpleasant situation that almost happens The team snatched victory from the jaws of defeat. They narrowly escaped from the jaws of death.
    the jaws of a tunnel, etc.
     
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    the narrow entrance to a tunnel, etc., especially one that looks dangerous
See the Oxford Advanced American Dictionary entry: jaw