/ Dictionary / Index P parallel bars: Meaning and Definition of Find definitions for: par'allel bars' Pronunciation: [key] a gymnasium apparatus consisting of two wooden bars on uprights, adjustable in height, and used for swinging, vaulting, balancing exercises, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. parallel axiom parallel cousin Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language