/ Dictionary / Index N night letter: Meaning and Definition of Find definitions for: night' let"ter Pronunciation: [key] former name ofAbbr.: NL Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. night latch nightlife Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language