/ Dictionary / Index T torsion bar: Meaning and Definition of Find definitions for: tor'sion bar" Pronunciation: [key] a metal bar having elasticity when subjected to torsion: used as a spring in various machines and in automobile suspensions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. torsion balance torsion-free group Related Content Daily Word Quiz: ravenous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language