/ Dictionary / Index J jo: Meaning and Definition of Find definitions for: jo Pronunciation: ( jō), [key] — pl. joes. beloved one; darling; sweetheart. Jo Pronunciation: ( jō), [key] — n. a female given name, form of a male given name, form of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jnt. Joab 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