/ Dictionary / Index L lign-: Meaning and Definition of Find definitions for: lign- Pronunciation: [key] var. ofbefore a vowel: lignite. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. light-year lignaloes Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language