Definitions
There is 1 meaning of the phrase
Night Letter.
Night Letter - as a noun
A cheaper form of telegram sent for delivery the next day
Example Sentences
"I received a mysterious night letter under my door."
"The secret organization sent a night letter to their chosen members."
"She found a night letter addressed to her on the kitchen table."
"The night letter contained important instructions for the mission."
"He used a flashlight to read the night letter in the dark."