/ Dictionary / Index J joint account: Meaning and Definition of Find definitions for: joint' account' Pronunciation: [key] a bank account in the names of two or more persons or parties and subject to withdrawals by each. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. joint joint and last survivor annuity Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language