/ Dictionary / Index R restoring spring: Meaning and Definition of Find definitions for: restor'ing spring" Pronunciation: [key] — Mach. Mach. a spring so located that it returns a displaced part to its normal position. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. restore restr. Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language