/ Dictionary / Index O Old Bailey: Meaning and Definition of Find definitions for: Old' Bai'ley Pronunciation: (bā'lē), [key] the main criminal court of London, England. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. old age Old Believer Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language