/ Dictionary / Index J joint custody: Meaning and Definition of Find definitions for: joint' cus'tody Pronunciation: [key] custody, as of a child whose parents are separated, in which two or more people share responsibility. Cf. sole custody. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. joint committee jointed Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language