/ Dictionary / Index S spring equinox: Meaning and Definition of Find definitions for: spring' e'quinox Pronunciation: [key] vernal equinox. See under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. springe springer Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language