Breadcrumb Home > Dictionary > Index O oblast: Meaning and Definition of Find definitions for: o•blast Pronunciation: (ob'last, -läst Russ. ô'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. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: erudite Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language