Breadcrumb Home > Dictionary > Index J Jon: Meaning and Definition of Find definitions for: Jon Pronunciation: ( jon), [key] — n. a male given name, form of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Jomon Jonah ✖ Related Content Daily Word Quiz: legerdemain Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language