/ Dictionary / Index L lunitidal interval: Meaning and Definition of Find definitions for: lu'nitid'al in'terval Pronunciation: [key] the period of time between the moon's transit and the next high lunar tide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lunitidal lunker Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language