/ Dictionary / Index R ruby silver: Meaning and Definition of Find definitions for: ru'by sil'ver Pronunciation: [key] — Mineral. Mineral. proustite. pyrargyrite. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ruby glass ruby spinel Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language