/ Dictionary / Index J jejuno-: Meaning and Definition of Find definitions for: jejuno- Pronunciation: [key] a combining form representingin compound words: jejunostomy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jejunectomy jejunostomy Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language