/ Dictionary / Index L luni-: Meaning and Definition of Find definitions for: luni- Pronunciation: [key] a combining form meaning “moon,” used in the formation of compound words: lunitidal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lungyi lunisolar Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language