/ Dictionary / Index J Jethro: Meaning and Definition of Find definitions for: Jeth•ro Pronunciation: ( jeth'rō), [key] — n. the father-in-law of Moses. Ex. 3:1. a male given name. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jet-hop jet lag Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language