/ Dictionary / Index R Ring of Fire: Meaning and Definition of Find definitions for: Ring' of Fire' Pronunciation: [key] — Geol. Geol. the linear zone of seismic and volcanic activity that coincides in general with the margins of the Pacific Plate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ringneck snake Ring of the Nibelung, The* Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language