/ Dictionary / Index N night soil: Meaning and Definition of Find definitions for: night' soil" Pronunciation: [key] human excrement collected and used as fertilizer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. night snake nightspot Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language