day letter

== English == === Noun === day letter (plural day letters) (telegraphy, historical) A telegram sent during the day for slightly deferred delivery on the same day, cheaper than a fast telegram, typically with a minimum charge for 50 words or less. Synonym: (initialism) DL Coordinate terms: night letter, fast telegram, straight telegram === Further reading === “day letter”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present. “day letter”, in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present. “day letter”, in The American Heritage Dictionary of the English Language, 5th edition, Boston, Mass.: Houghton Mifflin Harcourt, 2016, →ISBN.