Jaws-of-life meaning

jôz
A trademark for a hydraulic tool consisting of a pincerlike metal device that is inserted into the body of a severely damaged vehicle and opened to provide access to people trapped inside.
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A pneumatic, pincerlike tool that is inserted into the body of a wrecked vehicle to pry sections of it apart: used esp. to free people trapped inside.
proper name
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(plural only) Emergency rescue equipment used to open a completely destroyed passenger vehicle, to quickly and somewhat safely extricate the trapped occupants.

For the most terrible of car accidents, jaws of life have to be used to extricate the injured.

noun
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Origin of jaws-of-life

  • jaws+of+life. By analogy with an actual jaw and the fact that this mechanical device allows the possibility of preserving the life of the victim being rescued.
    From Wiktionary