night letter

== English == === Noun === night letter (plural night letters) (telegraphy, historical) A telegram sent overnight at a reduced rate for delivery on the morning of the following day, typically with a minimum charge for 25 words or less. Synonym: (initialism) NL Coordinate terms: day letter, fast telegram, straight telegram An unsigned leaflet distributed clandestinely. === Further reading === “night letter”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present. “night letter”, in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present. “night letter”, in The American Heritage Dictionary of the English Language, 5th edition, Boston, Mass.: Houghton Mifflin Harcourt, 2016, →ISBN. night letter on Wikipedia.Wikipedia