/ Dictionary / Index N nightglow: Meaning and Definition of Find definitions for: night•glow Pronunciation: (nīt'glō"), [key] — n. See under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nightfall nightgown Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language