Breadcrumb Home > Dictionary > Index D daylight saving: Meaning and Definition of Find definitions for: day'light sav'ing Pronunciation: [key] the practice of advancing standard time by one hour in the spring of each year and of setting it back by one hour in the fall in order to gain an extra period of daylight during the early evening. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. daylight daylight-saving time TrendingHere are the facts and trivia that people are buzzing about. Animal Group Terminology Largest Countries in the World (by Area) Current Events This Week: January 2023 State Abbreviations Dinosaur Fossils (By U.S. State!) The Chinese Zodiac ✖ Related Content Daily Word Quiz: locution Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language