/ Dictionary / Index J Jomon: Meaning and Definition of Find definitions for: Jo•mon Pronunciation: ( jô'môn), [key] — adj. of or pertaining to the period of Japanese culture, c8000–300 b.c., corresponding to Mesolithic or early Neolithic, characterized by sunken-pit dwellings and heavy handmade pottery formed with a rope pattern of clay coils. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jolty Jon Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language