/ Dictionary / Index R Reni: Meaning and Definition of Find definitions for: Re•ni Pronunciation: (re'nē), [key] 1575–1642, Italian painter. reni- Pronunciation: [key] a combining form meaning “kidney,” used in the formation of compound words: reniform. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. renga renifleur 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