/ Dictionary / Index J jailbreak: Meaning and Definition of Find definitions for: jail•break Pronunciation: ( jāl'brāk"), [key] — n. an escape from prison, esp. by forcible means. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: jailbreak (Thesaurus) jailbird jail delivery Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language