/ Dictionary / Index S snap ring: Meaning and Definition of Find definitions for: snap' ring" Pronunciation: [key] — Mach. Mach. any of various kinds of metal rings that must be forced open to be used and snap back into place to make a snug fit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. snappy snap roll 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