/ Dictionary / Index J Jaws of Life: Meaning and Definition of Find definitions for: Jaws' of Life' Pronunciation: [key] — Trademark. Trademark. a heavy-duty tool that can cut through metal or pry sections of it apart: used esp. to free people trapped in wrecked vehicles. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jaw's-harp Jaxartes Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language