/ Dictionary / Index G Greenwich Time: Meaning and Definition of Find definitions for: Green'wich Time" Pronunciation: [key] the time as measured on the prime meridian running through Greenwich, England: used in England and as a standard of calculation elsewhere. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Greenwich Observatory Greenwich Village Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language