Jaws of Life
a heavy-duty tool that can cut through metal or pry sections of it apart: used especially to free people trapped in wrecked vehicles.
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British Dictionary definitions for jaws of life
jaws of life
(functioning as singular) powerful shears used for cutting a vehicle open after a collision
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012