Breadcrumb Home > Dictionary > Index W winter solstice: Meaning and Definition of Find definitions for: win'ter sol'stice Pronunciation: [key] — Astron. Astron. the solstice on or about December 21st that marks the beginning of winter in the Northern Hemisphere. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Winterset* Winter Springs ✖ Related Content Daily Word Quiz: contretemps Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language