/ Dictionary / Index G guard ring: Meaning and Definition of Find definitions for: guard' ring" Pronunciation: [key] a ring worn tightly in front of another ring to prevent the latter from slipping off the finger. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. guardrail guardroom Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language