/ Dictionary / Index W white lightning: Meaning and Definition of Find definitions for: white' light'ning Pronunciation: [key] — Chiefly Midland and Southern U.S. Chiefly Midland and Southern U.S. moonshine (def. 1). Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. white light white line Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language