Breadcrumb Home > Dictionary > Index B Cite blue flash: Meaning and Definition of Find definitions for: blue' flash'. Pronunciation: [key] — Meteorol. Meteorol. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. blue flag blue flu TrendingHere are the facts and trivia that people are buzzing about. February 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress Noble Titles and Ranks in a Monarchy Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: protean Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language