/ Dictionary / Index L lai: Meaning and Definition of Find definitions for: lai Pronunciation: (lā), [key] — n. (in medieval French literature) a narrative poem written in octosyllabic couplets and dealing with tales of adventure and romance. a lyric poem, often a love poem, having great metrical variety and designed to be sung to a popular melody. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Lahti Laibach 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