Definition of "short letter" []

• A short personal letter (noun)

WordNet. Princeton University. 2010.

• "Footnote: Among the Ayscough MSS. in the British Museum there is one (No. 4276) containing a short letter from Joseph Meade to Hartlib, dated from Christ's College, Cambridge,"
• "MY DEAR MR. ANAGNOS: You will laugh when you open your little friend's letter and see all the queer mistakes she has made in French, but I think you will be pleased to know that I can write even a short letter in French."
• "The third was a short letter to a friend confirming a weekend bird-slaughtering party in September."