Breadcrumb Home > Dictionary > Index O Cite oblast: Meaning and Definition of Find definitions for: o•blast Pronunciation: (ob'last, -lst Russ. 'bl&schwast), [key] ? pl. o•blasts, o•bla•sti (in Russia and the Soviet Union) an administrative division corresponding to an autonomous province. region; province. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. oblanceolate oblate TrendingHere are the facts and trivia that people are buzzing about. March 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress The Women's March on Versailles Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: neplusultra Analogy of the Day: Today?s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language