/ Dictionary / Index I interlunation: Meaning and Definition of Find definitions for: in•ter•lu•na•tion Pronunciation: (in"tur-loo-nā'shun), [key] — n. the interlunar period. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. interlunar intermarriage Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language