/ Dictionary / Index J jewel box: Meaning and Definition of Find definitions for: jew'el box" Pronunciation: [key] See a hinged plastic case for the storage of a compact disc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jewel block jewel case Related Content Daily Word Quiz: confectionery Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language