/ Dictionary / Index J journal box: Meaning and Definition of Find definitions for: jour'nal box" Pronunciation: [key] — Mach. Mach. a box or housing for a journal and its bearing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. journal journal bronze Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language