A letter handed in at a railway station, to be carried towards its destination on the next available train, for a small fee in addition to the usual postage.
Origin
Late 19th century; earliest use found in The Times.
Definition of railway letter in US English:
railway letter
noun
historical
A letter handed in at a railway station, to be carried towards its destination on the next available train, for a small fee in addition to the usual postage.
Origin
Late 19th century; earliest use found in The Times.