Paper for writing letters on; specifically, paper of an intermediate size between note-paper and foolscap, usually quarto, as distinguished from the octavo form of note-paper.(noun)
The Century Dictionary (Public Domain)
Use "letter-paper" in a sentence
"A generation later this same poem was quoted as part of an extended lament about the impact of picture postcards: "A few lines of greeting upon them is far easier than to do a descriptive letter, and so the letter-paper makers suffer and the art of letter-writing keeps on declining.""
"Then Queen Budur perfumed the letter-paper with a profusion of odoriferous musk and, winding it in her hairstrings which were of"
"After reading the instructions, she thought it wise to copy the lines intended for Lucien on a sheet of letter-paper; then she went down to Madame Nourrisson, to whom she talked while a little shop-girl went to fetch a cab from the Boulevard des Italiens."